Kevin Nash is a former American wrestler and actor signed to WWE, where he is included in the legends program. He ws also known as Diesel.

He has wrestled for World Wrestling Federation / Entertainment, World Championship Wrestling and Total Nonstop Action Wrestling.

During his career, he won a total of twenty-one titles, including six world titles, having held the WCW World Heavyweight Championship five times and the WWF Championship once, and twelve tackling titles, having held the WCW World Tag Team Championship nine times, the WWF Tag Team Championship and one-time TNA World Tag Team Championship. He was also the WWF Intercontinental Champion and TNA Legends Champion. During his time in WCW, he ended Goldberg's undefeated streak after 173 matches.

Nash was, along with Shawn Michaels, Triple H, Razor Ramon and X-Pac, a member of the Kliq, an unofficial group of wrestlers who influenced the booking team's decisions. 

In 1991 he played the role of Super Shredder in Teenage Mutant Ninja Turtles II. In 2004 he appeared in The Punisher, in the role of the mercenary killer known as the Russian. The following year he had an important part in the film The Long Beach starring Adam Sandler. In 2006 he played the role of Bass Armstrong, father of wrestler Tina Armstrong in the film DOA: Dead or Alive.

In 2011 he played the part of Odin in the Asylum Almighty film Thor and in 2012 he took part in the film Rock of Ages playing the part of a bouncer while in 2014 he played Francis in the film John Wick. He also took part in the Magic Mike trilogy as Tarzan.