Walter Sobchak (born June 20, 1945) is a Vietnam War veteran, and The Dude's best friend and bowling teammate. Born a Polish Catholic, he converted to Judaism when he married his wife, Cynthia. They divorced five years prior to Bunny Lebowski's disappearance, but he still attempts a relationship with her, remains devoted to Judaism, and even takes care of her Pomeranian while she vacations with her new boyfriend.