Brock Lesnar is a wrestler.
Brock Lesnar . After debuting on WWE 's main roster in 2002 , he won the WWE Championship on three separate occasions with victories over The Rock and Kurt Angle ( twice ) . World Wrestling Entertainment , Inc. ( d/b/a WWE ) is an American publicly traded , privately controlled entertainment company that deals primarily in professional wrestling , with revenue also coming from film , music , video games , product licensing , and direct product sales .