Raised on Chicago’s South Side, Mitchell honed his performance skills at Chicago Vocational High School and through drama classes at the ETA Creative Arts Foundation before launching his career at fifteen alongside Kenan Thompson on Nickelodeon’s sketch series All That (1994-1999). The duo’s chemistry carried into the sitcom Kenan & Kel (1996-2000) and the cult-favorite film Good Burger (1997), wh…