Jeff Bergman: Jeff Bergman. Actor: Gremlins 2: The New Batch. Jeff Bergman is an American voice actor who is one of many successors of Mel Blanc. He did the voice of Bugs Bunny in several Looney Tunes works including Nike commercials with Michael Jordan, which inspired Space Jam as well as Space Jam: A New Legacy. He also voiced Fred Flintstone after Henry Corden's death. Other roles include The Joker in Batman:...