Wresting superstar Goldberg gets a call from an angry father who's son is having some health issues after Goldberg signed his head with a permanent marker. Roy D. Mercer is a fictional character created by radio hosts Brent Douglas and Phil Stone on radio station KMOD-FM in Tulsa, Oklahoma. Brent Douglas, who performs Mercer's voice, uses the character as a vehicle for comedy sketches in which he performs prank calls.