Bongo

Bongo is a one-eared rabbit from Matt Groening's . On Futurama, he appeared in Joe's Ark Pet Store as an animal being sold by the pet store clerk. In Bender's Big Score, Santa Claus' aides made toys resembling him, so is presumably somewhat famous in the Futurama.

Trivia

 * Bongo was originally from Life in Hell, and is a major character in that universe.