Thomas James Kenny (born July 13, 1962) is an American actor and comedian. Since 1999, he has gained worldwide recognition for voicing the titular character in SpongeBob SquarePants and associated media. Kenny has voiced many other characters, including Heffer Wolfe in Rocko's Modern Life, the Ice King in Adventure Time and its spinoff Fionna and Cake, the Narrator and Mayor in The Powerpuff Girls, Carl Chryniszzswics in Johnny Bravo, Dog in CatDog, Hank and Jeremy in Talking Tom and Friends, The Penguin in various animated media based on DC Comics, and Spyro from the Spyro video game series. His live action work includes the comedy variety shows The Edge and Mr. Show. Kenny's accolades include two Daytime Emmy Awards and two Annie Awards for his voice work as SpongeBob SquarePants and the Ice King. He is married to fellow voice artist Jill Talley, who plays Karen on SpongeBob SquarePants, with two children.
Source : Wikipedia