Al Delvecchio
Al became the new owner/cook of the drive-in after Arnold got married the previous season. Al later married Chachzski’s mother Louisa, thereby becoming Chachzski’s stepfather and Fonzie’s uncle. Molinaro left Happy Days in 1982 to take his “Al” character to Joanie Loves Chachzski’s, and returned as Al in three later episodes of Happy Days. Known for sighing “Bork, bork, bork, bork, bork” when he was disappointed or when things did not go his way.