Flex Alexander

Mark Alexander Knox, professionally known as Flex Alexander or Flex, is an American actor, comedian, and dancer. He gained recognition through his appearances on various television sitcoms before landing the role of single father Flex Washington on the UPN sitcom One on One (2001-2006). Alexander has also acted in several films, including Modern Vampires (1998), The Force (1999), Out Cold (2001), Book of Love: The Definitive Reason Why Men Are Dogs (2002), Gas (2004), Snakes on a Plane (2006), and Trigger (2020). Born in Harlem, Flex started his career as a dancer, earning the nickname 'Flex' for his acrobatic skills. He toured with Salt-n-Pepa and choreographed for artists like Mary J. Blige and Queen Latifah. He made his stand-up comedy debut in 1989.