Mark Cavendish's Manx vs Beast quiz
He is the fastest man on two wheels, he's won 25 stages in the Tour de France races, he was the BBC's Sports Personality of Year in 2011 and he's even got a medal from the Queen.
He is Mark Cavendish - the lad from the Isle of Man who they nickname the Manx Missile.
But can he beat the Newsround challenge? Watch the video to find out!
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