Ronda Rousey (born February 1, 1987), also known as Ronda "Rowdy" Rousey, is an American mixed martial artist, judoka and actress. She is the first and current UFC Women's Bantamweight Champion, as well as the last Strikeforce Women's Bantamweight Champion. She is undefeated, having won nine of her eleven fights by armbar. Rousey became the first U.S. woman to earn an Olympic medal in Judo at the Summer Olympics in Beijing in 2008. More: en.wikipedia.org.