Oscar Madison is a fictional character from the classic television sitcom The Odd Couple, created by Neil Simon. He is portrayed as a messy, easygoing sportswriter who contrasts sharply with his neat-freak roommate, Felix Ungar. Their mismatched personalities lead to humorous situations and highlight the challenges of cohabitation. Oscar's character embodies the carefree, disorganized lifestyle, often indulging in food and leisure while neglecting responsibilities. His interactions with Felix provide comedic relief and showcase the dynamics of friendship, making him a memorable figure in television history.