Twisted Sister is an American heavy metal band that originated in Ho-Ho-Kus, New Jersey, and later based in Long Island, New York. Formed in 1972, the band's most notable lineup includes Dee Snider (lead vocals), Jay Jay French (guitar), Eddie "Fingers" Ojeda (guitar), Mark "The Animal" Mendoza (bass), and A. J. Pero (drums). Known for their distinctive glam image, rebellious lyrics, and energetic performances, Twisted Sister gained widespread recognition with their 1984 album, "Stay Hungry," which included hit singles "We're Not Gonna Take It" and "I Wanna Rock." Their music, often categorized as both glam metal and hard rock, played a significant role in defining the heavy metal genre in the 1980s.