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Anti-Cosmo Julius Cosma (also known as Anti-Cosmo) is the supporting antagonist in The Farly OddParents, the main antagonist of the crossover special The Jimmy Timmy Power Hour 2: When Nerds Collide, and one of the main antagonists of the 2008 film, Fairly OddBaby. He is the Anti-Fairy counterpart of Cosmo Cosma.

Like all Anti-Fairies, Anti-Cosmo has the opposite personality of Cosmo, being very smart unlike his opposite.

He is voiced by Daran Norris who also played the regular Cosmo.


Like all Anti-Fairies, Anti-Cosmo is the complete opposite of Cosmo. Cosmo is kind, happy, caring, pleasant, thoughtful, and amazingly dumb, but Anti-Cosmo is extremely destructive, menacing, selfish, cruel, mean, evil, greedy, ruthless, sadistic, fiendish, truculent, diabolical, scurrilous, and manipulative, so he possesses a high-level intellect, and is a knowledgeable criminal mastermind. Anti-Cosmo is colored blue like all Anti-Fairies, has a monocle over one of his eyes which he can't see without, and wears a derby and a kind of coat or suit and, unlike Cosmo, speaks with a cultured British accent. He is married to Anti-Wanda, and Anti-Cosmo's castle is most likely not open to anyone except the Pixies, as seen in "Fairly Odd Baby". Since Cosmo used to be the last Fairy baby ever born, Anti-Cosmo may have been the last Anti-Fairy baby ever born until Anti-Wanda gave birth to their son Foop.


Anti-Cosmo has once switched Fagiggly Glands with Cosmo. But, unfortunately, it changed their voice too. As quoted by Wanda after Anti-Cosmo spoke in Cosmo's voice: "Bye Timmy, bye Wanda!".


  • Anti-Cosmo calls Cosmo an "ignorant boob" many times in "The Gland Plan".
  • Anti-Cosmo has appeared in "That Old Black Magic", "The Gland Plan", "Fairly Oddlympics", "Fairly Oddbaby", "The Jimmy Timmy Power Hour 2", "Anti-Poof" and "Balance of Flour".
  • Although Anti-Cosmo is the opposite of Cosmo, he still loves his wife, Anti-Wanda.
  • In "The Jimmy Timmy Power Hour 2", Anti-Cosmo's canine teeth are like those of sharks.
  • Anti-Cosmo occasionally calls other characters "Clarice". This is a reference to the Hannibal Lecter movies.


  • Anti-Cosmo is the complete opposite of Cosmo in terms of intelligence. Whereas Cosmo is considered a lovable idiot, Anti-Cosmo is a diabolical criminal mastermind.
  • Like all Anti-Fairies, he has blue hair, shirt, and skin, black wand, wings, and is a villain.
  • While Cosmo is often despised by his fellow Fairies due to his idiocy, Anti-Cosmo is well respected among his kind due to his intellect.
    • Proof of this is that he often acts as the de facto leader of the Anti-Fairies rather than Anti-Jorgen.


Anti-Cosmo at The Fairly Odd Parents Wiki.

The Fairly OddParents Villains

Main Villains
Vicky the Babysitter | Denzel Crocker | Francis | Anti-Cosmo | Anti-Wanda | Jorgen Von Strangle | Foop | Dr. Bender | Head Pixie
Supporting Villains
Tad and Chad | Trixie Tang | Veronica | Tootie | Remy Buxaplenty | Dark Laser | Wendell Bender | Sanderson | Mama Cosma | Norm the Genie | Princess Mandie | Happy Peppy Gary and Betty | Doug Dimmadome | Imaginary Gary | Doidle
One-time Villains
Evil Jorgen | Dr. Snipowitz | Benedict Arnold | The Seemingly Harmless Plant | The Turnbaums | Ricky | The Sewer Gator | Vic | Shallowgrave | The Gigglepies | Tom Sawyer | The Platinum Princess | Vicky the Kid | Evil Babysitters | Pumpkinator | Maryann | Pierre | Sammy | Flappy Bob | Ms. Doombringer | Big Brain | The Eliminators | The Destructinator | Peg-Foot Vicky | Jack-O-Bots | M.E.R.F. Agents | The Darkness | Robot Vicky (II) | Lauren Ledergerber | Alyssa | B.R.A.T. | Mr. Ed Leadly | Big Dave | Greeny | Lucky | Nega-Timmy
Comic Book Villains
Nega Chin | Bronze Kneecap | Spatula Woman | Titanium Toenail | Country Boy | Gilded Arches | Short-Fuse | Copper Cranium | Golden Gut | Iron Lung | Brass Knuckles | Iron Maiden | H2Olga | The Baby Shredder | Doctor Crocktopus | Bull-E | Hair Razor | Chattie

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