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81 Cartoon Characters That Start with O: Oodles of Fun

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Cartoon Characters that start with O

Hey there, fellow cartoon enthusiasts!

Today, we’re embarking on a whimsical journey through the animated world, and our destination is the letter ‘O.’

That’s right, we’ve scoured the cartoon universe to bring you 100 delightful characters whose names start with the letter ‘O.’

From classics to contemporary creations, these characters have left a lasting impression on fans of all ages.

So, grab some popcorn, settle in, and let’s dive into this colorful alphabet soup of animated awesomeness!


Cartoon Characters That Start with O


 1. Olive Oyl (Popeye the Sailor)

Let’s start with a classic!

Olive Oyl, Popeye’s leading lady, is known for her distinctive voice and unforgettable style.


2. Oswald the Lucky Rabbit

Before Mickey Mouse, there was Oswald!

Walt Disney’s Oswald was an early icon of animation.


3. Orko (He-Man and the Masters of the Universe)

The lovable and bumbling magician from Eternia always brought a smile to our faces.


4. Optimus Prime (Transformers)

The fearless leader of the Autobots, Optimus Prime, rolled into our hearts with his heroic deeds.


5. Orson Pig (Garfield and Friends)

Orson, the bookworm pig, and his friends offered comedic adventures on the farm.


6. Odie (Garfield)

We can’t forget Garfield’s faithful and endearing pup, Odie.


7. Oompa Loompas (Charlie and the Chocolate Factory)

These little factory workers added a touch of whimsy to Willy Wonka’s chocolate factory.


8. Olaf (Frozen)

Olaf’s warm hugs and charming naiveté melted our hearts in Disney’s Frozen.


9. Obelix (Asterix and Obelix)

Obelix’s superhuman strength and love for wild boar keep us entertained in this French comic series.


10. Otto Rocket (Rocket Power)

Otto’s passion for extreme sports made Rocket Power a thrilling ride.


11. Oggy (Oggy and the Cockroaches)

Oggy’s constant battle against the pesky cockroaches never fails to entertain.


12. Ocellus (My Little Pony: Friendship is Magic)

This changeling turned cute and curious student added depth to the world of Equestria.


13. Octavius Brine (Penguins of Madagascar)

Dr. Octavius Brine, also known as Dave, was the quirky villain with a grudge against penguins.


14. Omi (Xiaolin Showdown)

Omi’s martial arts skills and quest for Shen Gong Wu kept us glued to the screen.


15. Officer Dibble (Top Cat)

Dibble was the long-suffering police officer constantly outsmarted by Top Cat and his gang.


16. Orochimaru (Naruto)

This enigmatic and sinister character added depth to the world of ninjas.


17. Oliver (Oliver & Company)

Oliver the kitten embarked on a heartwarming adventure through the streets of New York City.


18. Ookla the Mok (Thundarr the Barbarian)

Ookla, the powerful yet gentle Mok, was Thundarr’s loyal companion.


19. Orville (The Rescuers)

Orville, the albatross, helped Bernard and Miss Bianca in their daring rescues.


20. Otis (Back at the Barnyard)

Otis, the carefree cow, led his barnyard friends on unforgettable adventures.


And that’s just the tip of the ‘O’berg!

We could go on and on because the world of animation is filled with amazing characters whose names start with ‘O.’

Whether you grew up with these classics or discovered them recently, there’s no denying the lasting impact they’ve had on our lives.


So, whether you’re a fan of the golden age of animation or enjoy the latest CGI creations, take a moment to appreciate the magic of these ‘O’ characters.

They remind us of the joy and wonder that animated worlds can bring into our lives.


Let’s continue with the list:

21. Orville Elephant (The Jungle Book)

Orville the Elephant had a memorable cameo in Disney’s classic adaptation of Rudyard Kipling’s tale.


22. Octo (Pajanimals)

Octo, the eight-armed friend, was part of the lovable Pajanimals crew.


23. Omega Supreme (Transformers)

Omega Supreme was a colossal Autobot guardian known for his unwavering loyalty.


24. Osmosis Jones (Osmosis Jones)

This animated white blood cell ventured inside the human body for some germ-fighting action.


25. Oona (Bubble Guppies)

Oona, the sweet and inquisitive guppy, was always ready for an aquatic adventure.


26. Oliver Smiff (Little Bill)

Oliver, Little Bill’s best friend, brought diversity and life lessons to the show.


27. Orcs (World of Warcraft)

These brutish creatures have been a central part of the epic Warcraft saga.


28. Odette (The Swan Princess)

Odette’s transformation into a swan and her love story with Prince Derek enchanted audiences.


29. Otto the Autopilot (Airplane!)

In this comedy classic, Otto is the autopilot with a mind of his own.


30. Orville (Five Nights at Freddy’s)

Orville Elephant is one of the animatronic characters that haunt Freddy Fazbear’s Pizza.


31. Ollie and Moon (Ollie & Moon)

This dynamic duo embarked on educational adventures around the world, teaching kids about different cultures.


32. Oscar (Shark Tale)

Oscar the fish’s journey from nobody to somebody in the underwater world was a fin-tastic ride.


34. Octavius (Night at the Museum)

Octavius was the tiny Roman soldier who came to life in the museum at night.


35. Olivia (Olivia)

Olivia the piglet’s boundless imagination led her on imaginative adventures.


36. Onceler (The Lorax)

The enigmatic Onceler’s actions had a profound impact on the environment in this Dr. Seuss tale.


37. Ollie (The Adventures of Ozzie and Harriet)

Ollie Nelson was the younger son in this classic family sitcom.


38. Orville Wright (Time Squad)

Time Squad recruited historical figures like Orville Wright to fix history’s mishaps.


39. Orel Puppington (Moral Orel)

Orel was a well-intentioned, if misguided, young boy exploring morality in a stop-motion world.


40. Ogee (The Mighty Hercules)

Ogee was one of Hercules’ loyal companions in this classic animated series.


These ‘O’ characters represent a wide range of personalities and adventures, and they’ve all left their mark on the world of animation in their own special way.

Keep exploring and enjoying the wonderful world of cartoons!


41. Ody Mandrell (Star Wars: Episode I – The Phantom Menace)

Ody Mandrell was a podracer with a unique vehicle in the Star Wars universe.


42. Obaba (Spirited Away)

Obaba was a mysterious and wise character who played a pivotal role in Chihiro’s adventures.


43. Og (Mike, Lu & Og)

Og, a sophisticated islander, tries to civilize her quirky friends in this animated series.


44. Om Nom (Cut the Rope: Om Nom Stories)

Om Nom, the cute little green monster, delighted viewers with his candy-craving antics.


45. Olive (Olive the Other Reindeer)

Olive, a dog who thought she was a reindeer, embarked on a holiday adventure.


46. Oakey Oaks (Chicken Little)

The citizens of Oakey Oaks rallied together when Chicken Little cried, “The sky is falling!”


47. Octavio (The Penguins of Madagascar)

Octavio was a skilled musician and enemy of the penguins, adding musical flair to the show.


48. Obadiah Stane (Iron Man: Armored Adventures)

Stane was a formidable foe in the animated world of Iron Man.


49. Oona (Puffin Rock)

Oona, an adventurous puffin, explored the wonders of her island home.


50. Oogie Boogie (The Nightmare Before Christmas)

This sinister sack of bugs and burlap was the main antagonist of Tim Burton’s classic film.


51. Old Man McGucket (Gravity Falls)

The eccentric McGucket added intrigue to the mysteries of Gravity Falls.


52. Officer Barbrady (South Park)

Barbrady was the well-meaning but inept police officer in the fictional town of South Park.


53. Octavius (G-Force)

Octavius, the loyal pet hamster, joined the high-tech guinea pig spy team in this action-packed film.


54. Octo the Octopus (Higglytown Heroes)

Octo was one of the helpful community members in Higglytown.


55. Opal (The Legend of Korra)

Opal was an airbender and a key character in Korra’s journey.


56. Overlord (Overlord)

This character from the anime series Overlord is the powerful ruler of the Great Tomb of Nazarick.


57. Octavio Rex (Octonauts)

Captain Barnacles and his crew encountered Octavio Rex, a mysterious cephalopod musician.


58. Otto (Time Warp Trio)

Otto was one of the time-traveling trio in this educational animated series.


59. Octonauts (Octonauts)

This team of undersea explorers made learning about marine life an underwater adventure.


60. Officer Barbrady (South Park)

Barbrady was a well-meaning but inept police officer in the fictional town of South Park.


These ‘O’ characters continue to showcase the diversity and creativity of animated storytelling.

Whether they’re heroes, villains, or somewhere in between, they all contribute to the rich tapestry of animation.

Stay tuned for more ‘O’-inspired characters!


61. Orville J. Krank (Christmas with the Kranks)

Orville was a neighbor caught up in the Kranks’ holiday shenanigans.


62. Orville (The Rescuers Down Under)

Orville the albatross makes a return appearance in this thrilling sequel.


63. Olaf (The League of Super Evil)

Olaf is one of the members of a hilariously inept league of villains.


64. Octo (Sheriff Callie’s Wild West)

Octo is a friendly octopus who helps maintain peace in the Wild West town of Nice and Friendly Corners.


65. Oliver Frensky (Arthur)

Oliver, better known as “Brain,” is one of Arthur’s close friends with a passion for science and knowledge.


66. Omi (Xiaolin Chronicles)

Omi and his fellow monks return in this continuation of the Xiaolin Showdown series.


67. Ozzy and Drix (Ozzy & Drix)

Ozzy and Drix are white blood cells and over-the-counter cold pills that embark on microscopic adventures inside the human body.


68. Orko (He-Man and the Masters of the Universe 2002)

Orko returns in the 2002 reboot of the classic series, offering his magical assistance.


69. Octavio (The Octonauts)

Octavio the octopus continues to be an essential part of the Octonauts’ underwater crew.


70. Oscar the Grouch (Sesame Street)

Oscar has been a beloved grouch and resident of Sesame Street for generations of viewers.


71. Oogie (Glitch Techs)

Oogie is a character in the video game world brought to life in this thrilling animated series.


72. Owen (Total Drama Island)

Owen’s infectious enthusiasm made him a standout contestant in the Total Drama series.


73. Osmosis (Osmosis Jones)

Osmosis Jones is back in action, continuing his fight against germs and viruses.


74. Octopus (VeggieTales)

Octopus is one of the many VeggieTales characters who teach valuable life lessons through humor and music.


75. Officer Jenny (Pokémon)

Officer Jenny is a dedicated law enforcement officer in the Pokémon world, ensuring the safety of both people and Pokémon.


76. Old King Cole (Mother Goose and Grimm)

Old King Cole is a recurring character in the Mother Goose and Grimm comic strip.


77. Oliver Douglas (Green Acres)

Oliver Douglas is the city lawyer who moves to the countryside in the classic sitcom Green Acres.


78. Orinoco (The Wombles)

Orinoco is one of the Wombles, creatures who live in Wimbledon Common and recycle human trash.


79. Overkill (The Tick)

Overkill is a vigilante and anti-hero in the offbeat world of The Tick.


80. Owlette (PJ Masks)

Owlette is one of the PJ Masks trio, using her superpowers to fight villains at night.


81. Olmec (Legends of the Hidden Temple)

Olmec was the talking stonehead and guardian of the temple in this adventure game show.


There you have it—the final installment of ‘O’ characters in the world of animation.


My Take on Cartoon Characters that Start with O

Cartoon characters that start with O are characters, each with their unique quirks and stories, that have contributed to the rich tapestry of animated entertainment.

Whether you’re revisiting classics or discovering new favorites, animation never fails to spark imagination and laughter.

Enjoy the animated world and all the delightful characters it has to offer!



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Cartoon Characters that Start with O

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