Vannessa Jackson is a standup comedian and TV writer with credits on Saturday Night Live, A Black Lady Sketch Show and Colbert. The show will feature Vannessa running her brand new half-hour alongside an all star lineup of comics from the stage and TV. Vannessa Jackson is a standup comedian and TV writer with credits on Saturday Night Live, A Black Lady Sketch Show and Colbert. The show will feature Vannessa running her brand new half-hour alongside an all star lineup of comics from the stage and TV.