Jess Harnell

Jess Harnell is a voice artist guest starred as Charlton Heston in "The Parent Rap".

His other famous role includes the voice of Wakko Warner on WB's popular cartoon show, Animaniacs.

Guest stars in season 13

Pierce Brosnan • Matthew Perry • Jane Kaczmarek • R.E.M. (Peter Buck • Mike Mills • Michael Stipe) • Julia Louis-Dreyfus • George Takei • Paul Newman • Judith Owen • Blue Öyster Cult • Richard Gere • Delroy Lindo • Ben Stiller • Dana Gould • Reese Witherspoon • Wolfgang Puck • Dennis Weaver • Frank Welker • Olympia Dukakis • Bill Saluga • Phish (Trey Anastasio • Jon Fishman • Mike Gordon • Page McConnell) • Stan Lee • James Lipton • Robert Pinsky • Frances Sternhagen • Carmen Electra