Born on October 17, 1962 in Guayaquil, Ecuador

Creator of the TV show Beavis and Butthead, and the voice of many characters on the show, including Beavis, Butthead, Tom Anderson, Mr. Van Dreesen, Mr. Buzzcut, and Principal McVicker.

Also the creator of the TV show King of the Hill, where he provides the voice of Hank Hill, Boomhauer, and Stuart Dooley (the pseudo-Butt-head).

He also had a small part in the movie South Park: Bigger, Longer and Uncut, as the voice of Kenny.