Vinnie Barbarino is a fictional character from the television series Welcome Back, Kotter, which aired from 1975 to 1979. Portrayed by actor John Travolta, Vinnie is a charismatic and somewhat carefree high school student known for his charm and good looks. He is one of the "Sweathogs," a group of misfit students in a Brooklyn high school. Vinnie often finds himself in humorous situations, balancing his carefree attitude with the challenges of adolescence. The character became iconic during the show's run, contributing to Travolta's rise to fame and leaving a lasting impact on pop culture.