Richard John Cyril Allen (born 1 November 1963) is an English drummer who has played for the hard rock band Def Leppard since 1978. He overcame the amputation of his left arm in January 1985 and continued to play with the band, which went on to its most commercially successful phase. He is known as “The Thunder God” by fans. He is ranked No. 7 on the UK website Gigwise in The Greatest Drummers of All Time list.
