Drummer who played with the metal band Iron Maiden from 1979 until 1982. He also played with groups including Trust and Alcatrazz.
He appeared on Iron Maiden's first three albums, including the breakthrough album The Number of the Beast, on which he co-wrote "Gangland."
He was known for his white drum kit, which he donated in 2005 to London's Hard Rock Cafe.
He and his partner Mimi were both diagnosed with multiple sclerosis; he ended up in a wheelchair and heavily in debt because of his medical bills.
He was compared to Ian Paice by Iron Maiden guitarist Adrian Smith.