Wanderlei César da Silva (born July 3, 1976), nicknamed “The Axe Murderer” and “Cachorro Louco”, is a Brazilian mixed martial artist, who has competed in Japan’s Pride Fighting Championships and the American-based Ultimate Fighting Championship (UFC). Silva is known for his aggressive fighting style with the majority of his fights ending in knockout or referee stoppage due to strikes. His style includes engaging opponents with punches and knees from the Muay Thai clinch. Silva is famous for his aggressiveness, but after the fight is over, he is known for showing respect and a sense of sportsmanship. He holds the record for the most wins, knockouts, title defenses, and longest winning streak in PRIDE history. He is the former PRIDE Middleweight Champion, and the 2003 PRIDE Middleweight Grand Prix Tournament Champion.