Urijah Christopher Faber (born May 14, 1979) is an American mixed martial artist currently fighting as a bantamweight in the Ultimate Fighting Championship organization. Faber won the WEC featherweight championship at WEC 19 on March 17, 2006 and held the title for over two years until his loss to Mike Brown at WEC 36 on November 5, 2008. As of November 2011, Faber is ranked the #2 bantamweight in the world by Sherdog.

Faber is a Brazilian Jiu-Jitsu brown belt under Fabio "Pateta" Prado, who, under Carlson Gracie Jr., is a 5th degree black belt.

Faber was born on May 14, 1979, in Isla Vista, California, to Theo and Suzanne Faber, and grew up in Lincoln. He is of Dutch descent on his fathers side and Italian descent on his mothers side.^{[citation needed]} He went to Glen Edwards Middle School for Jr. High and Lincoln High School for high school. He has two siblings, an older brother named Ryan and a younger sister named Michaella. His sister almost died after a Thanksgiving 2011 car accident. Faber graduated from the University of California at Davis with a Bachelors degree in human development.

Duane Paul Ludwig (born August 4, 1978) is an American Muay Thai kickboxer and mixed martial artist. He is the former Middleweight Muay Thai world champion, and currently fights for the Ultimate Fighting Championships in their welterweight and lightweight divisions. He holds the official fastest knockout record in the UFC after his win against Jonathan Goulet.

Duane started practicing Muay Thai when he was 15 years old. He would have a successful amateur career winning twelve of his fourteen bouts and picking up three IKF International Kickboxing Federation Muay Thai national and regional titles. He turned professional in 2000 when he defeated Terrance Jones at a Ring of Fire event, in what was a rematch from their amateur days. At the end of the year Duane won his first pro title by winning the W.K.A. US national title, which he followed with the I.M.T.C. title the next year. He had his first real challenge in 2001 when he faced world champion Alex Gong for his I.S.K.A. belt at a K-1 event in Las Vegas. The title went the distance with the young Ludwig being handing his first professional defeat. There was some controversy about the decision as some thought that despite a shaky start Ludwig had shaded it.

Ricardo Alejandro Lamas (born May 21, 1982) is an American mixed martial artist who currently fights as a featherweight in the Ultimate Fighting Championship organization. He trains with Team Top Notch in Elmhurst, Illinois. Lamas currently holds a brown belt in Brazilian Jiu-Jitsu under 2007 World Nogi jiu jitsu champion Daniel Valverde.

Lamas' father is Cuban and his mother is Mexican. The flags of these two countries are often displayed on his clothing during his fights.

Lamas graduated with a degree in exercise science from Elmhurst College in 2005, where he was a member of the men's wrestling team and earned All-American honors at the NCAA Division III Men's Wrestling Championships at 157 lbs. During his collegiate wrestling career (2001–2005), he racked up over 100 wins. He was also a two-time CCIW Champion, and was named the CCIW's "Most Outstanding Wrestler" during the 2003-04 season. Lamas returned to Elmhurst after graduation to serve as the assistant men's wrestling coach.

On March 1, 2009, Lamas made his WEC debut at WEC 39 in Corpus Christi, Texas against IFL and WEC veteran Bart Palaszewski. Lamas took the fight with 4 days notice. Lamas controlled Palaszewski with superior wrestling and scored with excellent ground-and-pound to win a unanimous decision victory over the more experienced fighter. Lamas suffered his first loss against Danny Castillo at WEC 42 on August 9, 2009.

Takeya Mizugaki (水垣偉弥, Mizugaki Takeya^?) (born December 16, 1983) is a Japanese mixed martial artist who currently competes in the bantamweight division of the Ultimate Fighting Championship. As of October 2011, Mizugaki is ranked the #10 bantamweight in the world by Sherdog.

Mizugaki began his mixed martial arts career competed in respected Japanese promotions Shooto and Cage Force. He was the Shooto Rookie of the Year in 2003 and winner of the Cage Force Bantamweight tournament.

Mizugaki made his World Extreme Cagefighting debut on April 5, 2009 against Miguel Torres for the WEC Bantamweight Championship in which he lost by unanimous decision in the fifth round; he can lay claim as the first to push Torres all five rounds. He fought Jeff Curran on August 9, 2009 at WEC 42, he won by decision.

Mizugaki was expected to face Damacio Page on December 19, 2009 at WEC 45, but Page was forced off the card due to an injury. Mizugaki instead faced Scott Jorgensen and lost the fight via unanimous decision.

Frank Shamrock (born Frank Alisio Juarez, III; December 8, 1972) is a retired mixed martial arts fighter. Shamrock was the first to hold the UFC Middleweight Championship (later renamed the UFC Light Heavyweight Championship) and retired as the four-time defending undefeated champion. Shamrock was the #1 ranked pound for pound fighter in the world during his reign as the UFC Middleweight Champion. Shamrock has won numerous titles in other martial arts organizations, including the interim King of Pancrase title, the WEC Light Heavyweight Championship and the Strikeforce Middleweight Championship.

He was named "Fighter of the Decade" for the 1990s by the Wrestling Observer, "Best Full Contact Fighter" by Black Belt magazine (1998), and three time "Fighter of the Year" by Full Contact Fighter Magazine. He is a 7th degree black belt in submission fighting, awarded by O-Sensei Philip S. Porter of the United States Martial Arts Association. He is the adopted brother of former UFC champion Ken Shamrock. He holds notable wins over Bas Rutten, Tito Ortiz, Jeremy Horn, Tsuyoshi Kohsaka, Kevin Jackson and Phil Baroni. He is also the only man to defeat Cesar Gracie. He holds the Guinness World Records for Fastest UFC Title Fight Victory by Submission in 16 seconds over Kevin Jackson at UFC Japan in Yokohama Japan. An author, entrepreneur, philanthropist and social activist, he is a color commentator for Showtime Networks and a brand spokesman for Strikeforce.