Walter Matthau (; born Walter John Matthow; October 1, 1920 – July 1, 2000) was an American actor and comedian, best known for his role as Oscar Madison in The Odd Couple and its sequel 30 years later, The Odd Couple II, and his frequent collaborations with Odd Couple co-star Jack Lemmon, particularly in the '90s with Grumpy Old Men and its sequel Grumpier Old Men. He won the Academy Award for Best Supporting Actor for his performance in the 1966 Billy Wilder film The Fortune Cookie. Besides the Oscar, he was the winner of BAFTA, Golden Globe and Tony awards.
