T'Keyah Crystal Keymáh is an American actress and singer. In addition to her status as an original cast member of the Fox sketch comedy series In Living Color (1990–1994), Keymáh is also known for her roles as Erica Lucas on the CBS sitcom Cosby (1996–2000), Tanya Baxter on the Disney Channel sitcom That's So Raven (2003–2005), and as the star and host on the Keymáh Network sketch variety show The Cool Crystal Show (2020–present).

In Living Color is an American sketch comedy television series that originally ran on Fox from April 15, 1990, to May 19, 1994. Keenen Ivory Wayans created, wrote and starred in the program. The show was produced by Ivory Way Productions in association with 20th Television and was taped at stage 7 at the Fox Television Center on Sunset Boulevard in Hollywood, Los Angeles, California.