Question: Who provides the voice for "Chef" in the Comedy Central series "South Park" on the "Starvin Marvin" episode where Chef tries to get residents to fight back in a parody of the movie Braveheart?
Sentence (from "Starvin' Marvin (South Park)"): In the episode, Cartman, Kenny, Kyle and Stan send money to an African charity hoping to get a sports watch, but are instead sent an Ethiopian child whom they dub "Starvin' Marvin".
Relevant evidence: No