John Kassir (born October 24, 1957 in Baltimore, Maryland) is an

John Kassir - Winston's voice actor

American actor and voice actor. He is best known for his roles as the Crypt Keeper in Tales from the Cryptkeeper, Buster Bunny in Tiny Toon Adventures, a regular performer in The Amanda Show, Cloud Groom and Snow Monster #1 & 2 in Adventure Time, Elliot Vocals in Pete's Dragon (2016), Pete Puma in The Looney Tunes Show, Hammer Brothers in My Life as a Teenage Robot, Dunglap, Mervis and French Kid in CatDog and several others.

He provides the voice of the Gripling's family butler, Winston. He provides the voice of Jake in Fair to Cloudy, Turtle Eater in Far From Home, Announcer in Detention, Man's Voice in April's Fools, Jarhead in Season of Caprice, Weatherman in Blizzard Conditions and a photographer in Kiss and Make-up.