Roy D. Mercer is a fictional character created by disc jockeys Brent Douglas and Phil Stone on radio station KMOD in Tulsa, Oklahoma, United States. Douglas, who performs Mercer's voice, uses the character as a vehicle for comedy sketches in which he performs prank telephone calls. Originally, the prank call sketches were a part of KMOD's morning show; by 1997, Capitol Records began issuing the sketches on compact disc. As of 2007, sixteen Roy D.

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