John Edward Kassir (born October 24, 1957) is an American actor, voice actor, and stand-up comedian. He is known for his work as the voice of the Crypt Keeper in HBO's Tales from the Crypt franchise. Kassir is also known for his role as Ralph in the Off-Broadway show Reefer Madness, as well as its film adaptation, as well as his voice over work as Buster Bunny (taking over from Charlie Adler late in the final season of Tiny Toon Adventures), Ray "Raymundo" Rocket on Rocket Power, the mischievous raccoon Meeko in Pocahontas and its direct-to-video sequel, Jibolba in the Tak and the Power of Juju video game series, Pete Puma in The Looney Tunes Show, and Deadpool in X-Men Legends II: Rise of Apocalypse and the Marvel: Ultimate Alliance series. He has also done the voice of Rizzo for the Spyro game, Skylanders: Spyro's Adventure, and voiced Ghost Roaster in Skylanders: Giants, as well as Short Cut in Skylanders: Trap Team and Pit Boss in Skylanders: Imaginators. He is also known for his various roles in season 1 of The Amanda Show. He voiced the Ice King in the original Adventure Time pilot, but was replaced by Tom Kenny for the series. He also provided additional voice over work for Sonic the Hedgehog, Eek! The Cat, The Brothers Flub, Dead Rising, Casper's Scare School, Spider-Man 3, Curious George 2: Follow That Monkey!, Diablo III, Monsters University, The Prophet, Halo 5: Guardians and The Secret Life of Pets.