Minor Characters/Students

These are background students who have been shown or identified but have not yet had any significant roles.

Alex

Alex has a light skin tone and dark brown hair. He wears an orange T-shirt over a lighter long-sleeve shirt, a pair of high tube socks with orange stripes, jean-shorts and green shoes.

He goes on Milo's bus, plays football as player 55 for the Geckos, and worked the camera at the Niagara Falls Fling.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Llama Incident"
• "Disaster of My Dreams"
• "A Clockwork Origin"

Season Two

• "Snow Way Out"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "Now I Am a Murphy"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Parks and Wreck"

Anna

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"

Season Two

• "Teacher Feature"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "The Goulash Legacy"
• "The Dog Who Knew Too Much"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Brandon

Appearances:
Season One

• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "A Clockwork Origin"
• "Ride Along Little Doggie"

Season Two

• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Brittany

Appearances:
Season One

• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"
• "Love Toboggan"

Season Two

• "Cake 'Splosion!"
• "Disco Do-Over"
• "The Goulash Legacy"
• "Cast Party"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Carol

She attended Sara's birthday party.

Appearances:
Season One

• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "We're Going to the Zoo"
• "School Dance"
• "The Little Engine That Couldn't"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"

Season Two

• "The Phineas and Ferb Effect"
• "Cake 'Splosion!"
• "Now I Am a Murphy"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Carl (Student)

He attended one of Sara's birthday's and he plays basketball.

Appearances:
Season One

• "The Doctor Zone Files" ^(Cameo)
• "Party of Peril" ^(Cameo)
• "Athledecamathalon" ^(Cameo)
• "School Dance" ^(Cameo)
• "Battle of the Bands"
• "Star Struck" ^(Cameo)
• "Disaster of My Dreams" ^(Cameo)
• "A Clockwork Origin"

Season Two

• "The Phineas and Ferb Effect"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "Safety First"
• "Parks and Wreck"
• "Escape"

Casey

Casey has a round face and a heavy-set build. He wears a long sleeve sweater with large green stripes, and a pair of blue jeans with brown sneakers.

He was one of the students seen bungee jumping with Chad, and he's the one who finally agrees that they'd go to the surprise party for Milo.

He goes on Milo's bus, he is player 81 for the Geckos, he's gone bungee jumping, and he's a member of the drama club.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Party of Peril"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Math Book"
• "Disaster of My Dreams"
• "A Clockwork Origin"

Season Two

• "The Phineas and Ferb Effect"
• "Cake 'Splosion!"

Chelsea

She's on Milo's Bus and she bet a pack of chips Milo wouldn't make it to school on time. She was in his Spanish class and also saw The Doctor Zone Files: The Movie Files.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Llama Incident"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"
• "Love Toboggan"

Season Two

• "The Phineas and Ferb Effect"
• "Snow Way Out"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Cherlyn

She knows James Garfield's blood type.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Backward to School Night"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Dog Walker, Runner, Screamer"
• "Now I Am a Murphy"
• "Cast Party"
• "Safety First"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Parks and Wreck"
• "Escape"

Cheryl

Ran in the Race for Runts.

Appearances:
Season One

• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "The Race"

Season Two

• "Snow Way Out"
• "Teacher Feature"
• "Cake 'Splosion!"
• "Doof's Day Out"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "The Mid-Afternoon Snack Club"
• "Escape"

Dave Wong

Dave was a nominee for "Greatest Perseverance", during the WiBA's.

Appearances:
Season Two

• "Ride Along Little Doggie" ^(Mentioned)

Ed

Ed has tan skin and blond hair, sticking up at the front. He has a lanky build and wears a blue short-sleeve shirt with long shorts and brown sneakers.

He is player 89 for the Gecko football team and is a fan of Doctor Zone.

Appearances:
Season One

• "The Undergrounders" ^(Cameo)
• "Rooting for the Enemy" ^(Cameo)
• "Sunny Side Up" ^(Cameo)
• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "We're Going to the Zoo"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Backward to School Night"
• "World Without Milo"
• "The Race"

Season Two

• "Snow Way Out"
• "Ride Along Little Doggie"

Emery

Emery is a light-skinned student with short red hair and freckles. He wears a brown T-shirt with jeans and yellow sneakers.

He is shown to be very athletic, having dodged the Sentient Blob's attacks multiple times. He's on Milo's bus and plays football as Gecko's player 18. He plays a Jar in the band the Humdingers.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "We're Going to the Zoo"
• "School Dance"
• "Battle of the Bands"
• "The Llama Incident"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Teacher Feature"
• "Doof's Day Out"
• "Milo's Shadow"
• "Now I Am a Murphy"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Erika

Erika was a girl who came between The Lumberzacks in line. She attends Jefferson County Middle School as a student.

Appearances:
Season One

• "Going the Extra Milo" ^{(First appearance)(Cameo)}
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Murphy's Lard" ^(Cameo)
• "Athledecamathalon" ^(Cameo)
• "School Dance" ^(Cameo)
• "Battle of the Bands" ^(Cameo)
• "Disaster of My Dreams" ^(Cameo)
• "A Clockwork Origin" ^(Cameo)
• "Some Like it Yacht"
• "World Without Milo" ^(Cameo)

Season Two

• "Snow Way Out"
• "Cake 'Splosion!"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Safety First"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Geoffrey

He plays football with the Geckos as player 8 and ran in the Race for Runts.

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"
• "The Race"

Season Two

• "Cake 'Splosion!"

Gevork

He helps with putting together the yearbook.

Appearances:
Season One

• "The Undergrounders"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"

Season Two

• "Pace Makes Waste"
• "Milo's Shadow"
• "Now I Am a Murphy"
• "Safety First"

Grace

Talked with Melissa in "Worked Day". Ran in the Race for Runts.

Appearances:
Season One

• "Rooting for the Enemy"
• "The Doctor Zone Files"
• "Party of Peril"
• "Worked Day"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Star Struck"
• "A Clockwork Origin"
• "World Without Milo"
• "The Race"
• "Fungus Among Us"

Season Two

• "Picture Day"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "Ride Along Little Doggie"
• "Safety First"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "The Mid-Afternoon Snack Club"

Haley

She's on Milo's bus and she plays the xylophone in a girl band.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Snow Way Out"
• "Teacher Feature"
• "Cake 'Splosion!"
• "Doof's Day Out"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Safety First"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Harrison

He goes on Milo's bus and attended Sara's party. He's a Doctor Zone fan and is a member of the band the humdingers.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "The Doctor Zone Files"
• "Party of Peril"
• "Worked Day"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Snow Way Out"
• "Picture Day"
• "Cake 'Splosion!"
• "Doof's Day Out"
• "Disco Do-Over"
• "Managing Murphy's Law"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "The Mid-Afternoon Snack Club"

Jamal

He goes on Milo's bus and plays a stringed instrument for the humdingers.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Worked Day"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Backward to School Night"

Season Two

• "The Phineas and Ferb Effect"
• "Snow Way Out"
• "Picture Day"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Doof's Day Out"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Jemma

Appearances:
Season One

• "Going the Extra Milo"
• "The Undergrounders"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Worked Day"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Perchance to Sleepwalk"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Teacher Feature"
• "Doof's Day Out"
• "The Ticking Clock"
• "Milo's Shadow"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Parks and Wreck"
• "Escape"

Jim (Student)

Jim is tall and lanky, with a freckled face, short, dark brown hair, and rounded glasses. He wears a brown hoodie with blue jeans and a pair of brown shoes.

He is a football player for the Geckos and a member of the drama club.

Appearances:
Season One

• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Party of Peril"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Math Book"
• "Disaster of My Dreams"
• "A Clockwork Origin"

Season Two

• "The Phineas and Ferb Effect"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Dog Who Knew Too Much"
• "Ride Along Little Doggie"

Karo

He plays football as number 16 for the Geckos and he works at the downtown comic shop.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Worked Day"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Perchance to Sleepwalk"
• "Some Like it Yacht"
• "World Without Milo"
• "Love Toboggan"

Season Two

• "Snow Way Out"
• "Teacher Feature"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Milo's Shadow"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Kris (Student)

He is player 90 for the Geckos and has been bungee jumping. He also thinks Amanda is scary.

Appearances:
Season One

• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Picture Day"
• "Cake 'Splosion!"
• "Milo's Shadow"
• "Freefall"
• "Safety First"
• "The Mid-Afternoon Snack Club"

Logan

He has a dog and he plays football as player 99 and basketball. He gets on the school bus at the same stop as Milo. At the Niagara Falls Fling he helped carry food trays.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"
• "Fungus Among Us"

Season Two

• "Snow Way Out"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Goulash Legacy"
• "The Dog Who Knew Too Much"
• "First Impressions"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Mabel

Mabel is a member of the Jefferson County Middle School defunded marching band.

Mabel was present when the Jefferson County Middle School Geckos went up against the Middletown Tigers. She was crushed by the spectators in the pep rally when Milo tapped his foot. She held up a police-shield along with the rest of the band when Milo arrived.

She forgot her drum at home and had to seek a replacement; however, the delivery guy heard, "drum of cable" when they said "drum for Mabel".

Appearances:
Season One

• "Rooting for the Enemy"
• "The Llama Incident"" ^{(Appears in flashback(s))}

Maddie

She takes Milo's bus.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Snow Way Out"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "First Impressions"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Malee Munns

She's on Milo's bus.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "Teacher Feature"
• "Picture Day"
• "Disco Do-Over"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Matt

Plays football for the Geckos as player 22 and ran in the Race for Runts.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"
• "The Race"
• "Love Toboggan"

Season Two

• "Snow Way Out"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "Parks and Wreck"

Megan

She can use a skateboard, though it's only been confirmed in the world without Milo.

Appearances:
Season One

• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Cake 'Splosion!"
• "Milo's Shadow"
• "Ride Along Little Doggie"
• "Safety First"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Natalia

She has pale skin, a slender face, and long, black hair with short bangs. She wears a yellow, sleeveless shirt and a pair of purple jeans.

When instructing various students to help out with planning, Amanda called her 'nail biter'.

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Cake 'Splosion!"
• "Freefall"
• "Cast Party"
• "Safety First"

Nick

His first appearance was in "Going the Extra Milo", where he asked what Melissa and Bradley were talking about. He's player 3 for the Geckos.

He has light toned skin, blue eyes, and blond hair split down the center. He wears a light T-shirt with a pair of dark green cargo pants and red and white sneakers.

He is voiced by Nathaniel Semsen.

Appearances:
Season One

• "Going the Extra Milo" (First speaking role)
• "Rooting for the Enemy" (cameo)
• "Sunny Side Up" (cameo)
• "Party of Peril" (cameo)
• "Murphy's Lard" (cameo)
• "Athledecamathalon" (cameo)
• "School Dance" (cameo)
• "Battle of the Bands" (cameo)
• "The Little Engine That Couldn't" (cameo)
• "Disaster of My Dreams" (cameo)
• "A Clockwork Origin" (cameo)
• "World Without Milo" (cameo)

Season Two

• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "First Impressions"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Patrick

He's the Geckos' player 42.

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Pace Makes Waste"

Penny

She's on Milo's bus. She also worked on the yearbook.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Backward to School Night"
• "World Without Milo"

Season Two

• "The Phineas and Ferb Effect"
• "Cake 'Splosion!"
• "Managing Murphy's Law"
• "Milo's Shadow"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "Cast Party"
• "First Impressions"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Peter

He plays football as player 40 for the Geckos and he knows how to play guitar.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "The Llama Incident"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Milo's Shadow"
• "Now I Am a Murphy"
• "The Goulash Legacy"
• "Ride Along Little Doggie"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Sarah

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "The Doctor Zone Files"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Love Toboggan"

Season Two

• "Disco Do-Over"
• "Milo's Shadow"
• "Cast Party"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Sid

He's on Milo's bus where he bet two pudding packs Milo wouldn't make it to school on time. He also takes care of the ferrets kept in science class.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Math Book"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Now I Am a Murphy"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"

Sydney

She went to Sara's party and is also a Dr Zone fan.

Appearances:
Season One

• "The Doctor Zone Files"
• "Party of Peril"
• "Athledecamathalon"
• "We're Going to the Zoo"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Fungus Among Us"

Season Two

• "Cake 'Splosion!"
• "Milo's Shadow"
• "Freefall"
• "Now I Am a Murphy"
• "Cast Party"
• "The Mid-Afternoon Snack Club"

Tian

He is on Milo's bus.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Teacher Feature"
• "Cake 'Splosion!"
• "Doof's Day Out"
• "Now I Am a Murphy"
• "The Speech and Debate League of Death and Destruction Cross Town Explosion Event"
• "Escape"

Tyler

He's on Milo's bus.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Party of Peril"
• "Murphy's Lard"
• "Athledecamathalon"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "Star Struck"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Pace Makes Waste"
• "Cake 'Splosion!"
• "Disco Do-Over"
• "Now I Am a Murphy"
• "The Dog Who Knew Too Much"
• "Ride Along Little Doggie"
• "Escape"

Vincent

He plays for the Geckos as player 34.

Appearances:
Season One

• "Going the Extra Milo"
• "Rooting for the Enemy"
• "Sunny Side Up"
• "Murphy's Lard"
• "The Substitute"
• "School Dance"
• "Battle of the Bands"
• "The Little Engine That Couldn't"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Some Like it Yacht"
• "World Without Milo"

Season Two

• "Snow Way Out"
• "Pace Makes Waste"
• "Milo's Shadow"
• "Now I Am a Murphy"
• "Ride Along Little Doggie"
• "Escape"

Wally (Student)

Wally has tan skin and a round face, with curly, light brown hair. He wears a red beanie and a blue, V-neck T-shirt with a pair of grey jeans.

He put on a pair of glasses when Ms. White asked him for help reading her writing. He's player 31 for the Geckos and was seen skateboarding in an alternate timeline.

Appearances:
Season One

• "The Undergrounders"
• "Rooting for the Enemy"
• "Party of Peril"
• "Murphy's Lard"
• "School Dance"
• "Battle of the Bands"
• "Disaster of My Dreams"
• "A Clockwork Origin"
• "Perchance to Sleepwalk"
• "World Without Milo"

Season Two

• "Pace Makes Waste"
• "Ride Along Little Doggie"

Other

By Character Designer, Celeste Moreno