| Background | Fighter |
| Brazilian; BJJ; UFC/Pride; Member of UFC Hall of Fame | |
| Brazilian Heavyweight; BJJ/Boxing/Judo; UFC/Pride; Older brother of fighter with similar name | |
| Russian Heavyweight; Sambo/Judo/Boxing; Strikeforce/Affliction/Pride; Considered undefeated until his loss to Fabricio Werdum in June 2010 | |
| Canadian Welterweight; Kyokushin/Wrestling/BJJ/Muay Thai; UFC; Defending UFC WW champion as of March 2010 | |
| American Light Heavyweight; Wrestling/Boxing; Strikeforce; Defeated Gegard Mousasi in April 2010 to claim the Strikeforce LHW Championship | |
| Croatian Heavyweight; Kickboxing ; Pride/UFC/K-1; Known for his lethal head-kicks | |
| American Light Heavyweight; Wrestling/Boxing/BJJ; UFC; Winner of the 'Ultimate Fighter 2' | |
| | Background | Fighter |
| Brazilian Middleweight; Muay Thai/Boxing/BJJ; UFC/Pride; Wins over Rich Franklin, Nate Marquardt, and Forrest Griffin | |
| Japanese Middleweight; Catch Wrestling/Shoot Fighter; Pride/Dream; Nicknamed 'The Gracie Hunter' for his multiple wins over members of the Gracie family | |
| Japanese/Korean Middleweight; Judo; K-1/Dream/UFC; His nickname is very 'Sexy' | |
| Dutch Heavyweight; Kickboxing/Muay Thai; K-1/Dream/Pride/Strikeforce; Known for his devastating knees | |
| Japanese/Brazilian Light Heavyweight; Karate/Shotokan/BJJ; UFC/K-1; Defeated Rashad Evans in May 2009 to claim the UFC LHW Championship | |
| Female American Middleweight; Boxing/Muay Thai; Strikeforce/EliteXC; Was undefeated until her loss to Cristine Santos in 2009 | |
| Korean Super Heavyweight; Ssireum/Kickboxer; Dynamite/Dream/K-1; One of the biggest fighters ever, he stands at 7'2 and has wins against Bobby Ologun and Jose Conseco | |
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