David Michael Hasselhoff, nicknamed "The Hoff", is an American actor, singer, and television personality. He has set a Guinness World Record as the most watched man on TV. Hasselhoff first gained recognition on The Young and the Restless (1975–1982), playing the role of Dr. Snapper Foster. His career continued with his leading role as Michael Knight on Knight Rider (1982–1986) and as L.A. County Lifeguard Mitch Buchannon in Baywatch (1989–2000). He also produced Baywatch from the 1990s until 2001 when the series ended with Baywatch Hawaii.

Michael Knight is a fictional character and the protagonist of the 1980s television series Knight Rider, played by David Hasselhoff. The character first appeared in the opening scenes as Michael Long, played by Larry Anderson in the beginning of the pilot. His last appearance was in the 2008 film Knight Rider.