A.J. Pero had been complaining of a sore arm for about a week, and had recently taken a few days off, according to agent Dan Stanton. Twisted Sister guitarist Jay Jay French said "Pero was found this morning...
TWISTED SISTER singer Dee Snider added on Twitter:
My friend, my brother, my band mate passed away today. My heart is broken. RIP A.J. Pero.— Dee Snider (@deesnider) March 20, 2015
A.J. Pero was a member of TWISTED SISTER from 1982 to 1986, best known for their song "We're Not Gonna Take It", but left to join another band in 1987. Pero reunited with TWISTED SISTER from 1997 to 1998, and again from 2003 until his death. Pero performed on ADRENALINE MOB's last two albums and recently joined FOUR BY FATE, also featuring former FREHLEY'S COMET members Tod Howarth and John Regan.