Jeffrey Glen "Jeff" Bennett (born October 2, 1962) is an American voice actor and singer. His voice roles include Johnny Bravo in the television series of the same name, Petrie in the Land Before Time films and television series, Mr. Smee and Bones in Jake and the Neverland Pirates, Keswick, Ollie, and Larry in T.U.F.F. Puppy, Ace, Big Billy, Grubber on the Powerpuff Girls, Dexter's Dad in Dexter's Laboratory, The Man With the Yellow Hat in Curious George, Raj in Camp Lazlo, Kowalski in The Penguins of Madagascar series and various other characters in films, television shows and video games. He voiced Mole and Rat on The Modifyers.