Doc is a mouse-like alien in the film Escape from Planet Earth .
Gary is placed in a cell hall with other alien geniuses including Doc ( voiced by Craig Robinson ) , Io ( voiced by Jane Lynch ) , and Thurman ( voiced by George Lopez ) who tell Gary that various human technology has been invented by them for Shanker to rip off and sell to all of Earth so he will release them from Area 51 .
Escape from Planet Earth