He also voiced several other Looney Tunes characters including Daffy Duck, Porky Pig, Tweety, Elmer Fudd, Yosemite Sam, Pepé Le Pew and Foghorn Leghorn on the hit Warner Bros. animated television series Animaniacs, Tiny Toon Adventures, Sylvester & Tweety Mysteries and Taz-Mania.
Greg Norman | Greg LeMond | Greg Louganis | Greg Chappell | Greg Nickels | Greg Bear | Greg Abbott | Greg Osby | Greg Dyke | Greg Kurstin | Greg Grunberg | Greg Lynn | Greg Mortenson | Greg Keelor | Greg Hopkins | Greg Behrendt | Greg Phillinganes | Greg Morrisett | Greg James | Greg Giraldo | Greg Egan | Greg Dulli | Greg Bahnsen | Red Eye w/Greg Gutfeld | Greg Shaw | Greg Schiano | Greg Rucka | Greg Raymer | Greg Kihn | Greg James (DJ) |
Bergman promoted himself heavily as the new official voice for the Warner Bros. animated characters; Warner Bros. took exception to this, and to avoid repeating the stranglehold of Mel Blanc's exclusivity, began using other actors such as Greg Burson and Billy West.