Let’s Party Sixties Style. Short clip from It's a Revolution Mother. The Alien Nomads became the Hells Angels NYC 3rd Street chapter. It was chartered in 1969 by Sandy Alexander - a - marine who moved to New York in 1967 joining the Aliens motorcycle club. He was instrumental in establishing the Hell's Angels in Manhattan. Alexander's power and reputation rivaled that of the most famous angel in the country, Sonny Barger, of Oakland, California. This created a a rivalry and dangerous dynamic I w