Idiota, Imbecil, and Bobo

Bobo, Imbecil, and Idiota are a trio of mutant hyenas who try to fight down the Teenage Mutant Ninja Turtles.

Appearance
Three spotted hyenas

History
Originally a trio of clowns, until one fateful day, they were practicing their act with a hyena and three mutagen canisters fell from the sky right on them, turning them into anthropomorphic spotted hyenas. Driven insane by their mutation,

Allies

 * Fishface -
 * Rahzar -
 * Tigerclaw -
 * Shredder -

Enemies

 * Raphael -
 * Michaelangelo -
 * Leonardo -
 * Donatello -

Trivia

 * The hyenas are obvious parodies of Pennywise the Dancing Clown, an evil clown who kills children. They also
 * To add to this, Idiota is voiced by Tim Curry, who was Pennywise in the 1990 movie It.
 * Imbecil is voiced by Mark Hamill. This is the same actor that voiced The Joker in a number of Batman films, television series, and video games.
 * Bobo, Imbecil, and Idiota bear a resemblance to the hyenas from Disney's The Lion King.