Patton Oswalt [1] (born January 27, 1969) is an American stand-up comedian, writer, actor and voice actor known for roles such as Spencer Olchin in the sitcom The King of Queens and for voicing Remy in the film Ratatouille. He also voiced Tobey in Wordgirl. In The Simpsons, he voiced T-Rex in "The Day the Earth Stood Cool" and voiced Bart's Guilt in "The Cad and the Hat".