Fonzie is a character played by actor Henry Winkler in the popular American sitcom of the 70s and 80s "Happy Days". Fonzie, whose full name is Arthur Herbert Fonzarelli, was the prototype of the cool and rebellious boy of the 50s, with his leather jacket, his motorcycle and his famous ability to start old jukeboxes with a blow of his fist.

The character of Fonzie has become a popular icon and one of the most memorable figures on American television. His confident demeanor, heart of gold, and sense of justice have endeared him to fans of all ages. Fonzie has become the centerpiece of the show and has contributed significantly to its enduring success.