David Michael Richey (February 11, 1938 – May 31, 2015), better known as Slim Richey, was an American jazz guitarist, fiddle player, bandleader, and publisher who was known for his long white beard and eclectic guitar style that crossed genres from jazz to swing to country. Slim's self-proclaimed moniker, "The most dangerous guitar player in Texas" was displayed on the The Paramount Theatre Marquee in Austin, Texas, on June 1, 2015, in remembrance to his contribution to Texas music.