Evil Cosmic Teacher

Evil Cosmic Teacher is a creature that we see grading papers in a flashback during the episode "Wake Up."

In the episode "Escape from the Citadel", we can see that they escaped the Crystal Citadel and tried to beat up the Citadel Guardians.

Appearance

The Evil Cosmic Teacher is orange with a spiraling mouth in his stomach that breathes smoke.

Gallery

v • d • e Other characters

Recurring	Abracadaniel • Abraham Lincoln • Ancient Psychic Tandem War Elephant • Ancient Sleeping Magi of Life Giving • Banana Guards • Banana Man • Betty Grof • Big Destiny • Billy • Bob & Ethel Rainicorn • Boy Bear • Bronwyn • Bryce • Bufo • Candy Corn Grandma • Candy Heart • Candy Kids • Carroll • Castle Staff • Charlie • Chet • Chicle/Crunchy • Chocoberry • Chocolate Bar Guy • Choose Goose • Cinnamon Bun • Clarence • CMOs • Coconteppi • Cosmic Owl • Cow • Cuber • Death • DMO • Donny • Dr. Ice Cream • Elise • Farmworld Finn/Ice Finn • Farmworld Jake/Farmworld Lich • Fear Feaster • Flambo • Flame Guards • Flame King • Flame Lord • Football • Forest Wizard • Frog Carrying Crown • Gibbon • Gingerbread Cookie • Gingerbread Muto • GOLB • Grape Popsicle Guy • Grass Finn/Fern/The Green Knight • Grassy Wizard • Grob Gob Glob Grod • Guardian Angel • Gumbald/Punchy • Gumball Guardians • Gumdrop Lass 1 • Gumdrop Lass 2 • Gunther • Hot Dog Knights • Hunson Abadeer • Huntress Wizard • Iceclops • Ice Cream Lady • Jake 2 • Jake Jr. • Jelly Bean People • Jermaine • Joshua • Kenneth • Kim Kil Whan • King of Ooo • King Worm • Kitten • Lemon Camel • Lemongrabs 1, 2, & 3 • The Lich/Sweet P • Life • Lolly/Manfried • Lollipop Girl • Lumpy Space King & Queen • Magic Man/Normal Man/King Man • Maja • Marc • Margaret • Marshmallow Kids • Martin Mertens • Me-Mow • Minerva Campbell • Moe • The Morrow • Mr. Cream Puff • Mr. Cupcake • Mr. Fox • Mr. Pig • Mrs. Cow • Naked Wizard • Neptr • Nurse Pound Cake • Ogre • Orgalorg/Gunter/Ice Thing • Party Bugs • Party God • Party Pat • Patience St. Pim • Peppermint Butler • Phil • Pineapple Guy • Prismo • Prize Ball Guardian • Pup Gang • Rattleballs • Ricardio • Root Beer Guy/Dirt Beer Guy • Schwabl • Science Cat • Shelby • Snail • Snow Golem • Spirits • Squirrel (The Duke) • Starchy • Sugar Cube • Susan Strong • T.V. • Tiffany Oiler • Tiny Manticore • Tom • Toronto • Tree Trunks • Uncle Chewy • Viola • Wafer Person • Warren Ampersand • Water Nymphs • Wyatt

Animated short	Fire Elemental • Ninjas • Old Man

Season 1	Amoeba • Bagel • Balloons • Baskets & Boots Owner • Battle Cubes • Bee • Bellamy Bug • Big Guy • Bird inside out • Bottled Ghoul • Brad • Brain Beast • Bucket Knight • Bugbear • Business Men • Cactus Creatures • Cherubs • Coal Man • Cobbler • Crossbow Guy • Cyclops • Crystal Guardians • David • Demon Cat • Dennis • Dimple Plant Monster • Dolphin • Doug • Duchess of Nuts • Duke of Nuts • Eberhardt • Eberhardt's wife • Evil Guy • Evil Ocean • Fairy • Fine Lady • Fire Count • Fire Newt • Frog • Gary the Mermaid Queen • George • Giant Bear • Giant Goldfish • Giant House Guy • Giant Turtle • Goblin King • Goblin Thieves • Hatchlings • Heart Beast • Horse Wearing Shower Cap • Ice Cube Creature • Ice-o-pede • Invisible People • Jelly Cube • Jeremy • Jerry • The Jiggler • Key-per • King of Thieves • Lake Knights • Larry (My Two Favorite People) • Laser Pointer Troll • Limousine Driver • Lisby the Cashew Butler • Lyre Player • Mama Jiggler • Mannish Man • Marauders • Marquis of Nuts • Meat Man • Melissa • Mike A. • Mike H. • Mimic Monster • Mini Queen • Mountain 2 • Mountain Man • Mr. Turtle • Mushroom Creatures • Nut Castle Guard • Nut Creatures • Oculus of Rehabilitation • Old Lady • Old Man Henchman • Old Man Prisoner • Old Soft Person • Old Wizards • Party Jellyfish • Peanut Baby • Penny • Peter • Pixies • Reaper • Rock • Rock Wall Thief • Shadow Horse • Shark • Sharon • Short Goblin • Sign Zombies • Skeleton Army • Skeleton Baby • Skeleton Butterflies • Skeleton Mom • Sleeping Student • Snow Monsters • Snowball • Snowman Priest • Spiky Mayor • Squid Bartender • Stanley • Stanley's family • Stonesy • Super Freak (Gorflax, Gork, Kim, Trudy, Wee Wee, & Zap) • Swamp Giant • Swan • Three Wise Men • Toad • Two Headed Ducks • Two Headed Thief • Townspeople • Video Game Frog • Video Game Girl • Wall of Flesh • Witch • Wizard Students • Wizard Thief

Season 2	Aquandrius • Bandito • Beaver • Boobafina • Booboo • Bouncy Bee • Boyfriend & Girlfriend Skeletons • Butterfly With Laser Gun • Celina • Colonel Candy Corn • Commander and Private • Crystalline Demon • Cubby • Dancing Bug • Dead Goblin • Dr. Dextrose • Dr. Donut • Gate Guardian • Georgy • Gelatin Man • Ghost Man • Gnome Knight • Gnome Ruler • Golem • Inuits • Grimby • Green Gumdrop Dude • Gummy • Hag • Halt • Hunny Bunny • JJ • Knights • Labyrinth Worm • Large Bear • Lester • Maria • Momma Bear • Monster • Mrs. Yoder • Mushroom Mayor • Mushroom Guy • Piglets • Pupil Worm • Red Faced Female Monster • Science Guys • Sheriff • Simon • Sir Slicer • Skeletal Guards • Sleepy Sam • Slicer's Horse • Snail Ladies (Slug Lady) • Snorlock • Soul Sucked Fuzzy Friend • Sugar Bears • Taddle • Talking Skull • Tart Toter • Teenage Bear • Tree Witch • Wendy • Whisper Dan • Xergiok • Zeldron Spirits

Season 3	Ash • Blastronaut • Bliblob • Boilbee • Booger • Brain Wiz • Burger Monster • Candy Corn Thug • Candy Tavern People (Candy Tavern Bartender, Cookie Guy, etc.) • Cherry Blossom Ghost • Clown Nurses • Crocodile with Party Hat • Cute King • Cyclo • Dimension Wizard • Door Lord • Dr. J • Dumb Rock • Electric Eel • Evil Monster • Fight King • Fire Wolf Pup • Flame Jester • Flame Minstrel • Forest Cyclops • Fruit Witches • Gentleman Wizard • Gladiator Ghosts • Grand Master Wizard • Gumdrop Dad • Gumdrop teenager • Ham Sandwich • Hamburger Monster • Hand Snow Golem • Hedgehog Creatures • Hot Dog Monster • Howard • Iron Owl • Jam Jam • Jaybird • Lady Wizard 1 • Lady Wizard 2 • Laser Wizard • Lava Man • Lemon Camel • Lollipop Thug • Lumpy Space Messenger • Mildwin • Muscular Ghosts • Pan • Paper Pete • Rainy • Rock Wizard • Science • Scorcher • Skunk • Slush Beast • Smudge • Spider • Spirit Waves • Stag • Talking Bush • That Guy in Xmas Sweater • The Other Guy in Xmas Sweater • Tiny Goblin • Tonya • Trap Bridge • Tree Stump With Sign • Two Headed Cutie • Ugly Monster • Weapon Head • Wildberry Guards • Wormo • Yellow Butterflies

Season 4	Baby Spider • Bear • Beautiful Lady • Bebe • Barb • Bug • Candy Baby • Candy Mother • Candy Nanny • Chocolate Chips • Demon Guard • Dream Warrior • Ed • Family • Fly • Farm animals • Fat Bee • Fire Actor • Flame King's brother • Flame Soldiers • Furnius • Goliad • Green Penguins • Half Monster Demon • Ice Penguin Monsters • Jake's Grandmother • Jalapeño Pepper • Jay T. Doggzone • Lorraine • Margles • Mirror Finns • Prince Huge • Ricky • Ronnie • Shark Sword • Stormo • Torcho • The Dead One • The Farm • The Train • Tree of Blight • Winged Lemongrab Horse • Woobeewoo • Woobeewoo Elder

Season 5	Agnes • Alarm Cat • Ann • Bartram • The Beast • Bella Noche • Bird Nest Worm • Blanket Dragon • Blargetha • Blue Gumdrop Guy • Blueberry Cops • Boney • Box Prince • Box Prince Impostor • Braco • Bubble • Buck Pudding • Butt Chest • Candy Boss • Cart Creature • Cart Guy • Canyon • Captain Banana Guard • Chandelier Bat • Cherry Cream Soda • Choose Bruce • Crab Demon • Crabbit Familiar • Cream Puff Gentleman • Danny • Destiny Gang (Unnamed Destiny Gang members) • Elder Plops • EMO • Farmworld Marceline • Farmworld Martin • Farmworld Minerva • Farmworld Simon Petrikov • Finn's Baby Brother • Flint • Flying Lettuce Brothers • Flying Troll • Funeral Guests • Gareth • Giant Ant Monster • Giant Goo Skull • Grass Bear Gunthalina • Head Worm • Hole Frog • Imaginary Jake • Island Lady • James • James Baxter • Jay & Bonnie • Johnnie • Jordan • Kartemon • Lemonhope • Little Buddy • Little Dude • Loafy • Mail Bird • Mama Trunks • Man In The Wall • Milk Ghost • Mother Gum • NX vcjZmQ9w • Ogdoad • The Owl • Paris • Pete Sassafras • Petey • Phlannel Boxingday • Pillow Child • The Porcupine • Princess Bubblegum Bot • Pterodactyl • Quilton • Randy • Randy (Apple Wedding) • Randy (flame person) • Rap Bear • Rasheeta • Reptilian Clone • Rock Giant • Roger • Ron James • Roselinen • Sand Worm • Samantha • Shoko • Shoko's tiger • Slider Guy • SMOs • Snake Runner • Sparkle • Sparkle's mother • Spider-snake hybrid • Squeez-E-Mart boss • Squirrel (Up a Tree) • Stranson Doughblow • Sue • Suitors • Suzy • Tentacle Monster • The Glitch • Trami • Tromo • Ursula • Vapor Swamp Monsters • Veiny Monster • Wizard Bill • Wizard Police • Wizard Prison Chef

Season 6	Balthus • Beau • Berdzerd • Billybee • Billybee's Gang Bees • Blue Nose • Breezy • Cadmus Legion • Caramel Sally • Chatsberry • Cheryl • Chinchizard • Chips and Ice Cream • Circus Insects • Citadel Guardians • Citadel Prisoners • Clock Face • Cow Farmer • Cube Person • Darren • Daughter of Peace Master • Duty Manager • Erin • Flambo's Brother • General Tarsal • Ghost Fly • Ghost Mushroom • Giant Basket Transporter • Giuseppe • Gnome Tenant • Goose • Goralina • Gummi Water Boy • Hairy Person • Huge King • Ice Imp • Kent • Lamp • Leaf Beard • Leaf Man • Lieutenant Gamergate • Life's Father • Lifeguard • Linda • M.A.R.G.L.E.S. • Magwood • Martin 2 • Matthew • Mayor • Monks • Morty Rogers • Mountain Guardian • Mr. B • Mr. F • Mr. Goji Berry • Mrs. Goji Berry • Muffin Giant • Nina • Old Green Person • Pat • Peace Master • Peace Master's Baby • Purple Comet • Rabid Possum • The Raccoon • Rat King • Ringmaster • Sally • Seven • Shadow Slender Demons • Shazbaz • Shelby’s Girlfriend • Slimy D • Son of Peace Master • Space Moth • The Sun • Talking Leaf • Thought Cannon Wand wizard • Tuber • Upper Middle Class Wildberry Kids • Urgence Evergreen • Void Caster

Season 7	ALLMO • AMO • Armadillo • Bobby • Bunny Girl • Cactus Guy • Carlos • Cloud Dance • The Empress • The Fool • Grassland Animals • Haydancy • The Hierophant • Honey Man • Living Pie • Me-Mow's Horse • The Moon • Mother Mushroom • Music Hole • Neddy • Old Banana Guards • Prismo's Boss • Ocean Council • Sandwich Paul • Spirit Dream Warrior • The Storm • Terry • Thunder Boar • Tommy • Two Bread Tom • Vampire King • Vampire Minions • Wilfrid

Season 8	Aadil • Albert • Alien Husband • Alva • Assisstant Doctors • Becca • Bee-mo • Benton • Better Reality Users • Betty Grof A.I. • Boobafina (Grotto World) • Booshy • Bronwyn's Friends • Bun Bun • Bushboots • Candy Elemental (St. Pim Era) • Candy Elemental (Unknown Era) • Candy Girl • Captain Majesty • Choose Goose (Grotto World) • Clock Bear • Dolphin People • Dr. Gross • Early Creature • Elder Rollio • Ele-fly • Elephant Summoners • Evil Hermit • Fire Elemental (St. Pim Era) • Fire Elemental (Unknown Era) • Flower Marcy • Founders • Frieda • Giant Parrot • Gibbon • Grand Prix • Grass Demon • Grass Worm • Greg (Islands) • Greta • Guardian • Hans • Hiders • Hiram • Jennings • Kim Kil Whan's Employees • King • Kulap • Lady Rainicorn (Grotto World) • Lee • Luke • Lynda • Mantis Man • Mechanical Dolphins • Michel • Mike R. • Moniker • Mr. Fox (Grotto World) • Mr. International • Mr. Outrageous • Mr. Pig (Grotto World) • Pete the Punk • Pink Pond • Pirates • Reggie • Roy • Santa • Seekers • Slime Elemental (St. Pim Era) • Slime Elemental (Unknown Era) • Spear Bear • Sue (Islands) • Sveinn • Tai • Todd • Tree Trunks' Alien Children • Turtle Announcer • WAITMAN79 • Weirdo Finn • Weirdo Jake • Whipple • Widow • Widow's Bodyguard • Widow's Tiger • Wild Trap Mountain inhabitants • William • Wing

Season 9	Banana People • Blue Jay • Bogo • Cloudy • Female worshipers • Gummy Fish • Michael • Other Fionna • Ted • Wall of Water

Season 10	Alarm Clock Creature • Baby Teeth Finns • Beth • Cake People • Cake People Mutant • Cake Titans • Cookie • Future Mole • Ghost Thugs • Gingerbread Rapper • Grumbo • Guard Man • Gumball Guardian Mutant • Malus/Talug • Mind Frogs • O • Past Lady • Peanut • Pirates (Ring of Fire) (Mr. Faidutti) • Pudding Troll • Rapper Chipmunk • Shermy • Son of Rap Bear • Warren Ampersand's other children • Wishy • X • Yak

Distant Lands	Ancient Wizards • Blaine • Cadebra • CGO • Cole • Con Wizard • Darling • Dr. Caledonius • Flaming Skull • Glassassins • Glassboy • Hugo • KS-2 • Larry • Larvo • Lenny Longlegs • Limeston • Manta Creature • Momdebra • Monsters of the 1st Dead World • New Death • Olive • Potable Wizard • Sandy • Shafter • Sir Soda • Spader Petersen • Sweetie • Twinkletoes • Undertakers • Usurpers of Wizard City • Waffle Cone Trolls • Y4/Y5 • Y5's Dad

Fionna & Cake	Astrid • Baby Cinnamon Bun • Baby Finn • Baby Ice King • Baby Jake • Baby Jiggler • Baby Lady Rainicorn • Baby Lich • Baby Magic Man • Baby Ricardio • Baby Tree Trunks • Balloon Animal • Banana Guards (Silent World) • Banana Guards (Winterworld) • Beard Guy • Billy (Vampireworld) • BMO (Extinct World) • Bonnibel Bubblegum (Vampireworld) • Bonnie Mertens • Boobafina (Silent World) • Burger • Bystanders (Silent World) • Candy Cane Guy (Winterworld) • Candy Handcuffs • Candy Queen • Casper • Cheers characters • Child Wizard • Chocoberry (Winterworld) • Cinnamon Bun (Winterworld) • Clock Titans • Cocka-tikes • Coffee Guy • Cookie Guy (Winterworld) • Egg-like being • Everplant • Farmworld Finn's Wife • Farmworld Starchy • Fionna Lookalike • Gumball Guardians (Baby World) • Gunter (Extinct World) • Gunter (Winterworld) • Guy with Boading Balls • Huntress • Ice King (Extinct World) • Ice Marceline • Ice Prince • Ice Prince's Penguin • Ice Scouts • Iceclopes (Winterworld) • James (Winterworld) • Jay Mertens • Kheirosiphon • King Cockatrice • The Lich (Black & White World) • The Lich (Extinct World) • Little Destiny • Marceline (The Star) • Marshmallow Kids (Winterworld) • Martin Mertens (Vampireworld) • Monstrous Candy People • Mossy Rock Humanoid • Mr. Cupcake (Winterworld) • Mudskipper • Nightmare Gary • Nightmare Marshall Lee • Nightmare Simon • Nova • Orbo • Pastry Cake • Pastry Fionna • Pawn Swan • Peppermint Butler (Silent World) • Perry the Living Island of Insight • Pillow Kid • Pony • Ratbus • Ratbus' Victims • Scarab • Simon Petrikov (Vampire World) • Skater Fairies • Spider Tattoo Artist • Tammy • Tennis ball • Train Conductor • Tree Trunks (Silent World) • Unknown Baby • Unnamed Cosmic Entities • Unnamed Farmworld Children • Vampire King (Vampire World) • Vampire Minions (Vampireworld) • Van Driver • The Winter King • Winter Kingdom inhabitants • Za'baby

Comics	3MO • 8-Head Ted • Adventure Tim • Alistair Blacktide • Allen • ALN • Anbaris • Arklothac • Bad Guy Magpie • Bad Haircut Wizard • Bartholomew • Basketball Wizard • Blake • Bongo • Carl the Gem • Charlie Mayor • Cherry Chris • Chronologius Rex (All-Time) • Corn Syrup Wizard • Craig • Creepy Finn & Jake robots • Dan • Dark Magistar Templi Marble • Devil Cake Downers • Dr. Broccoli • Duke of Limesnatch • Echo of the Lich • Ewlbo • Eyebabes • Fart Fairies • Finn the Fearful • Fisho the Colossal • Flynn • Gata • Gata's Mother • Ghost Destroyers • Greg • Gum • Guntors • Guy • Hairy Chris • Ham-Pire • Hambone • Hook Crook • Hot Dog Princess' bun • Janice Bizzlethatcher • Keila • Lady Stabsworth Z. Backwash III • Lady Unibow • LeafLans • Lord Lazertron the Third • Lord Lazertron the Third's Mom • Lord Vandalstine • Lumpy Space Predators • Lumpy Space Rat • Lun • Maggee • Malloy • Mice King • Mnemonoid • Monkey Wizard • Mow-Me • Nellie • Ng'Zot Aa • None Shall Pass • Orphan Ice Prince Timothy • Painting King • Peanut Butter Dragon • Penelope • Penny (Comics) • Pickles • Randall N. Byron • Rock Candy Lady • Sand People • Sewer Wizard • Sinorses • Song Birds • Todd (Comics) • Topiary Nose • Tuff • Ulyssses • Weebles • William (comic) • The Wish Witch • Zon

Video Games	Doodle Wizard • Pillowmint Butler • Sunny • Tiny

Evil Cosmic Teacher

Appearance

Gallery

Fan Feed