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I am the Anti-Fairy Cosmo! I am not an idiot in any manner whatsoever!
~ Anti-Cosmo presenting himself to Timmy Turner.

Anti-Cosmo Anti-Julius Anti-Cosma (more commonly known as Anti-Cosmo) is a supporting antagonist in The Fairly OddParents, one of the two main antagonists of the crossover special The Jimmy Timmy Power Hour 2: When Nerds Collide (alongside Professor Calamitous), 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 was voiced by Daran Norris, who also played regular Cosmo and Timmy's father.




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 menacing, selfish, cruel, evil, ruthless, 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 episode "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, bat like 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.



           The Fairly OddParents logo Villains

Main Villains
Vicky | Denzel Quincy Crocker | Francis | Anti-Cosmo | Anti-Wanda | Jorgen Von Strangle | Foop | Dr. Bender | Head Pixie | L.O.S.E.R.S.

Supporting Villains
Remy Buxaplenty | Dark Laser | Dark Troopers | Sanderson | Norm the Genie | Princess Mandie | Happy Peppy Gary & Betty | Doug Dimmadome | Imaginary Gary | Body of Evil | Doctor Robot

Crossover Villains
Evil Syndicate | King Gorge | Eustace Strych | Professor Calamitous | Shirley | Amanda Killman | The Mawgu |

One-time Villains
Overlord Glee | Mark Chang | Ricky | Shallowgrave | The Gigglepies | Tom Sawyer | Anti-Sparky | Pumpkinator | Maryann | Flappy Bob | Ms. Doombringer | Dark Timmy | Alternate Reality Mr. Turner | Big Brain | The Eliminators | The Destructinator | The Darkness | B.R.A.T. | Alden Bitterroot | Anti-Fairy Council | Anti-Fairies | Anti-Jorgen | Super Bike | Evil Bug | Apes | Megan Bacon

           Jimmy Neutron Logo Villains

Main Villains
King Goobot | Professor Calamitous | Beautiful Gorgeous | Eustace Strych | Space Bandits

Supporting Villains
Ooblar | Poultra | Evil Jimmy Neutron | Junkman | Baby Eddie | Grandma Taters

One-time Villains
Meldar Prime | Bueford Lee Stormshuckle | Evil Cindy Vortex

League of Villains | Evil Syndicate

Video Games
Yokian Fleet Commander | Jimmy Negatron | Globulous Maximus | The Mawgu | King Gorge

Denzel Crocker | Vicky | Francis | Jorgen Von Strangle | Anti-Cosmo | Anti-Wanda | Anti-Jorgen | Anti-Fairies | Shirley

Planet Sheen
Dorkus Aurelius

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