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 • Jon Lovitz • Wolfgang Puck • Reese Witherspoon • Dennis Weaver • Frank Welker • Olympia Dukakis • Bill Saluga • Phish (Trey Anastasio • Jon Fishman • Mike Gordon • Page McConnell) • Ed Asner • Alec Baldwin • Kim Basinger • Stephen Hawking • Ron Howard • Elton John • Lucy Lawless • Joe Namath • 'N Sync (Lance Bass • JC Chasez • Joey Fatone • Chris Kirkpatrick • Justin Timberlake) • Elizabeth Taylor • U2 (Bono • Adam Clayton • The Edge • Larry Mullen, Jr.) • Stan Lee • James Lipton • Robert Pinsky • Frances Sternhagen • Carmen Electra