Neil McCormick grew up with Bono in Ireland and wrote a book about his life called, Killing Bono: I was Bono's Doppelganger. Greg Clarke interviewed him about his life, U2 and how he and Bono ended up with opposite conclusions about the existence of God.
Killing Bono
Neil McCormick talks about his book Killing Bono: I was Bono's doppelganger