Phil Collen is a British guitarist. He is a co-lead guitarist of Def Leppard, known for their album Pyromania. Collen formed the trio Man Raze, where he served as lead singer and sole guitarist. He has collaborated with various artists, including The Struts on I Hate How Much I Want You, and Jeff Pilson and Joe Lynn Turner on Back In Black. Collen has also appeared in the films Def Leppard: Viva! Hysteria - Live at the Joint, Las Vegas and Live At the Leadmill. One of his most popular songs is Yo 2 Joe (G4 Anthem).