U2 are an Irish rock band. The four members of the band are lead singer Bono (born "Paul David Hewson"), lead guitarist The Edge (born "David Howell Evans"), bassist Adam Clayton, and drummer Larry Mullen Jr. U2 are a very popular band all over the world and have been since the 1980s. They have sold more than 170 million albums and have won 22 Grammy Awards. This is more than any other rock band.