John Corabi (born on April 26, 1959 in Philadelphia, Pennsylvania) is a heavy metal singer and guitarist who has worked with such bands as Angora, The Scream, Mötley Crüe, Union and ESP (both with former KISS lead guitarist Bruce Kulick), Ratt (as a lead guitarist), Twenty 4 Seven (with his Ratt bandmate Bobby Blotzer), Zen Lunatic, Brides Of Destruction, and Angel City Outlaws (with his Ratt bandmates Robbie Crane and Bobby Blotzer, and former Ratt guitarist Keri Kelli).