Arthur Fonzarelli, commonly known as 'The Fonz', is a beloved character from the classic television sitcom Happy Days. Portrayed by Henry Winkler, he is known for his cool demeanor, leather jacket, and signature catchphrase, 'Ayyy!'. The Fonz embodies the spirit of the 1950s and 60s youth culture, often serving as a mentor to the show's main characters. His character is not just a symbol of coolness but also represents loyalty and friendship. Throughout the series, The Fonz navigates various challenges while maintaining his laid-back attitude, making him a memorable figure in television history.