Brock Edward Lesnar is an American professional wrestler and former professional mixed martial artist.
He is signed with the American professional wrestling promotion WWE, where he is the current WWE World Heavyweight Champion in his fourth reign.
Lesnar is also a former UFC Heavyweight Champion and NCAA Division I Heavyweight Wrestling Champion, making him the only person to have won a WWE championship, UFC championship, and NCAA wrestling championship.
After his successful amateur wrestling career at the University of Minnesota, Lesnar signed with WWE in 2000.
He was assigned to its developmental promotion Ohio Valley Wrestling, where he was a three-time OVW Southern Tag Team Champion.
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.
Lesnar won his first WWE Championship at the age of 25, making him the youngest WWE Champion ever.
He was also the 2002 King of the Ring and winner of the 2003 Royal Rumble, making him the youngest Royal Rumble winner as well.