Wicked Lester was a New York-based rock and roll band that would later become known as Kiss. The band formed in 1970, under the name Rainbow. Two notable members were bassist Gene Klein (born Chaim Witz) and rhythm guitarist Stanley Eisen, who later adopted the stage names Gene Simmons and Paul Stanley, respectively. In 1971 the band changed their name to Wicked Lester, and recorded an album for Epic Records, which was never officially released.