Twisted Sister is a rock band originally formed in New Jersey in 1972. They had their greatest success in the mid 80s and are probably best known for the song "We're Not Gonna Take It." There have been many membership changes. The band members during the height of their popularity were Jay Jay French (guitar), Eddie "Fingers" Ojeda (guitar), Dee Snider (lead vocals), Mark "The Animal" Mendoza (bass guitar) and A. J. Pero (drums).