Cartoon Characters That Start With O (Disney & Funny)

When it comes to the letter “O,” animated realms are filled with original characters whose names begin with this often overlooked vowel. From obstinate ogres to oceanic oracles, these personalities contribute oomph to their narratives. Let’s orbit the animated universe to discover these unique beings.

Cartoon Characters That Start With O

• Olive Oyl – The lanky love interest from “Popeye”
• Odie – The affectionate canine from “Garfield”
• Oswald the Lucky Rabbit – Disney’s early creation before Mickey
• Orko – The mystical ally from “He-Man and the Masters of the Universe”
• Octus – The robotic intellect from “Sym-Bionic Titan”
• Oscar Proud – The humorous dad from “The Proud Family”
• Otto Rocket – The adventurous lead from “Rocket Power”
• Owl – The wise bird from “Winnie the Pooh”
• Optimus Prime – The heroic leader from “Transformers”
• Oogie Boogie – The sinister sack from “The Nightmare Before Christmas”
• Omi – The monk protagonist from “Xiaolin Showdown”
• Orel Puppington – The naive boy from “Moral Orel”
• Oscar the Grouch – The cranky Muppet from “Sesame Street”
• Overhaul – The villain from “My Hero Academia”
• Ozai – The firebending antagonist from “Avatar: The Last Airbender”
• Onyx Von Trollenberg – The troll from “Trollz”
• Obelix – The Gaulish sidekick from “Asterix”
• Ophelia Ramirez – The gothic girl from “The Life and Times of Juniper Lee”
• Osamu Mikumo – From “World Trigger”
• Owen – The gullible participant from “Total Drama”
• Officer Earl – The patrolling cop from “Cloudy with a Chance of Meatballs”
• Okuni Dohan – From “Shuriken School”
• Om Nom – The hungry creature from “Cut the Rope”
• Oscar – The shark from “Shark Tale”
• Orddu, Orwen, Orgoch – The witches from “The Black Cauldron”
• Ozzy – The fast-talking weasel from “The Land Before Time”
• Olaf – The snowman from “Frozen”
• Olive – The other reindeer from “Olive, the Other Reindeer”
• Otis – The bovine leader from “Back at the Barnyard”
• Oracle – The informed from “Batman: The Animated Series”
• Orel – From “Moral Orel”
• Obi-Wan Kenobi – The Jedi from “Star Wars: The Clone Wars”
• Oaken – The trader from “Frozen”
• One-One – The split-personality robot from “Infinity Train”
• Omega Red – The super-soldier from “X-Men”
• Oliver – The kitten from “Oliver & Company”
• Ox-King – The monarch from “Dragon Ball”
• Odie – The exuberant dog from “Garfield”
• Oblina – The monstrous scholar from “Aaahh!!! Real Monsters”
• Osmosis Jones – The white-blood-cell cop from his self-titled movie
• Oscar – From “Fish Hooks”
• Odie – From “Garfield and Friends”
• Oggy – The cat from “Oggy and the Cockroaches”
• Ocho Tootmorsel – From “The Amazing World of Gumball”
• Oopsy Bear – The accident-prone bear from “Care Bears”
• Owl Jolson – The singing owl from “I Love to Singa”
• Otto – The time-traveler from “Time Squad”
• Olive – From “Justin Time”
• Ozzy – From “The Ozzy & Drix Show”
• Omochao – The tutorial robot from “Sonic X”

Explore More Cartoon Characters With:

(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)

Disney Characters Starting With O

• Oaken – The trader from “Frozen”
• Olaf – The snowman from “Frozen”
• Oswald the Lucky Rabbit – The precursor to Mickey Mouse
• Orddu, Orwen, Orgoch – The witches from “The Black Cauldron”
• Oogie Boogie – The gambling burlap sack from “The Nightmare Before Christmas”
• Owl – The wise bird from “Winnie the Pooh”
• Otto – The autopilot from “WALL-E”
• Oliver – The orphaned kitten from “Oliver & Company”
• Ortensia – Oswald’s feline companion
• Oscar – The fish from “Shark Tale”
• Ortega – From “The Three Caballeros”
• Orville – The albatross from “The Rescuers”
• Octavius – The octopus from “Bedknobs and Broomsticks”
• Orion – From “Treasure Planet”
• Osmond – The knight from “The Black Cauldron“
• Otis – The troublesome little tractor from “Cars”
• Oona – The mermaid from “Sofia the First”
• Oliver – The dog from “Cinderella”
• Ophelia – From “The Princess and the Frog”
• Omar – From “Aladdin” (TV series)
• Opal – The jewel-belle from “Sofia the First”
• Omega – The wolf from “The Little Mermaid” TV series
• Owl – From “Sleeping Beauty”
• Oaken – From “Frozen”
• Olga – From “The Little Mermaid” TV series
• Orchid – From “Mulan II”
• Oriana – From “Felix the Cat: The Movie”
• Ortensia – From “Epic Mickey”
• Ozzie – The ostrich from “Home on the Range”
• Oliver – From “Oliver & Company”
• Orville – From “The Rescuers”
• Otis – From “Lady and the Tramp II: Scamp’s Adventure”
• Owl Capone – From “Darkwing Duck”
• Officer Clawhauser – The cheetah from “Zootopia”
• Otto – From “Robin Hood”
• Officer O’Hara – From “Bonkers”
• Olga – The peacock from “The Adventures of the Gummi Bears”
• Oxana Hauntley – The vampire mom from “Vampirina”
• Otto – The boat from “The Little Mermaid”
• Ottoperotto – From “Gargoyles”
• Ophelia – From “Hercules” (TV series)
• Opie – The otter from “My Friends Tigger & Pooh”
• Oscar – The monkey from “George of the Jungle”
• Olaf – From “Frozen”
• Olympia – From “Hercules”
• Orson – The pig from “House of Mouse”
• Ortensia – From “Epic Mickey 2: The Power of Two”
• Otto – The time-traveling dog from “Meet the Robinsons”
• Ophelia – The bunny from “Doc McStuffins”
• Ortega – The eagle from “The Emperor’s New School”

Princess Characters Starting With O

• Odette – “The Swan Princess”
• Oona – “Sofia the First”
• Oriana – “Felix the Cat: The Movie”
• Olwyn – “Dragon’s Lair”
• Olga – “Hey Arnold!”
• Olympia – “Killer Instinct”
• Octavia – “The Sleeping Beauty” (ballet)
• Ophelia – “Sky Dancers”
• Onira – “The Prophecy of the Stones”
• Ortensia – “Epic Mickey”
• Oriane – “Quest for Camelot”
• Ooma – “Out of Jimmy’s Head”
• Otohime – “Japanese Mythology”
• Ora – “Jewel Riders”
• Orla – “Fairytale Adventures”
• Ondina – “H2O: Mermaid Adventures”
• Olina – “The World of David the Gnome”
• Octavia – “Octonauts”
• Osma – “The Lost Princess of Oz”
• Orietta – “Angelina Ballerina”
• Ondine – “Disney Fairies”
• Orielle – “Avalon: Web of Magic”
• Oliveria – “Anastasia”
• Oria – “Barbie: Star Light Adventure”
• Orchid – “Thumbelina”
• Ora – “Shimmer and Shine”
• Olympia – “Princess Olympia”
• Odessa – “Enchanted Folk and the School of Wizardry”
• Owena – “Princess Gwenevere and the Jewel Riders”
• Ovidia – “The Tale of Despereaux”

Pixar Characters That Start With O

• Owen Wilson as Lightning McQueen – “Cars” (Voice Actor)
• Octavia Spencer as Dab-Dab – “Onward” (Voice Actor)
• Omnidroid – “The Incredibles”
• Otis – “Cars”
• Omega – “Up”
• Ozzie – “The Good Dinosaur”
• Old Timer – “Cars”
• Olive – “Onward”
• Officer Gerson – “Monsters University”
• Otto – “WALL-E”
• Omar – “The Good Dinosaur”
• Orlando – “Inside Out” (Imaginary Boyfriend’s Dad)
• Oliver – “Ratatouille” (Gusteau’s sous chef)
• Officer Edith – “Monsters University”
• Ostrich – “Up” (One of the exotic birds)
• Ocean – “Finding Nemo” (Setting)
• Overlay – “Monsters, Inc.” (CDA Agent)
• Orville – “Toy Story 3” (Orville Redenbacher Parody Toy)
• Oatman – “A Bug’s Life” (City Bug)
• Ortho – “The Good Dinosaur” (Pet Collector)

Other Cartoon Characters That Start With O

• Olive Oyl – “Popeye”
• Oscar Proud – “The Proud Family”
• Orko – “He-Man and the Masters of the Universe”
• Oswald the Lucky Rabbit – “Oswald”
• Oogie Boogie – “The Nightmare Before Christmas”
• Otto Rocket – “Rocket Power”
• Odie – “Garfield”
• Omi – “Xiaolin Showdown”
• Optimus Prime – “Transformers”
• Owl – “Winnie the Pooh”
• Orel Puppington – “Moral Orel”
• Obelix – “Asterix”
• Oscar the Grouch – “Sesame Street”
• Octus – “Sym-Bionic Titan”