Inara George is known to pop audiences as the lilting voice behind the indie-rock duo The Bird and the Bee.

NPR: Inara George Extends 'An Invitation'

Former basketball star Larry Bird, comedy actress Sarah Silverman and Star Trek's George Takei have contributed voice-overs to the latter half of the series.

BBC: Futurama axed by Comedy Central two years after Emmy

That's more the approach of Merrill Garbus, whose solo project is spelled tUnE-yArDs. (Hey, you won't forget her name, right?) Her 2009 album BiRd-BrAiNs began life as a DIY cassette release, assembled with a handheld voice recorder the "note to self" kind and free audio-editing software.

NPR: tUnE-yArDs: Pop Genius, Cleverly Obscured

Artists like the late Mel Blanc, the "Man of a Thousand Voices" -- who brought Bugs Bunny, Tweety Bird and Daffy Duck to life -- made successful careers out of their ability to voice multiple characters, often in the same film.

CNN: Celebrities get animated about voice work