Charles David Liddell (born December 17, 1969) is an American retired mixed martial artist and former UFC Light Heavyweight Champion. He has an extensive striking background in American Kenpo, Koei-Kan Karate, and kickboxing, as well as a grappling background in collegiate wrestling and Brazilian jiu-jitsu. Liddell had 23 fights in the UFC; along with Randy Couture, he is widely credited for bringing MMA into the mainstream of American sports and entertainment. On July 10, 2009, he was inducted into the UFC Hall of Fame.
Liddell was born in Santa Barbara, California, of English descent. He was raised by his single mother and maternal grandfather, who taught Liddell and his siblings boxing techniques from a very young age. Liddell began studying Koei-Kan karate at the age of 12; the tattoo seen on his scalp reads "Koei-Kan".
Liddell was a four-year starter on the football team at San Marcos High School, playing center and linebacker while also excelling at wrestling. While growing up in Santa Barbara, he often frequented the infamous Del Playa Drive, the middle of the party scene of the college town of Isla Vista, where he often found himself in fights with drunk college students. He became a Division I wrestler at Cal Poly (California Polytechnic State University) in San Luis Obispo California and graduated with a Bachelor of Arts in Business/Accounting in 1995. He holds an amateur kickboxing record of 20 wins and 2 losses, with 16 of his wins coming by way of knockout. When Liddell started his mixed martial arts career, he began to train in Brazilian jiu-jitsu under Jon Lewis in Las Vegas, Nevada.