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Anti-Cosmo

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Anti-Cosmo.

Anti-Cosmo is the Anti-Fairy counterpart of Cosmo. Anti-Cosmo has the opposite personality of Cosmo and is an evil genius unlike Cosmo who is dumb. His only relevant appearance to The Adventures of Jimmy Neutron: Boy Genius was in Jimmy Timmy Power Hour 2: When Nerds Collide and hour long special crossover of The Adventures of Jimmy Neutron: Boy Genius and the Fairly OddParents!.

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