What cast member of "All That" is known for playing a talk show host on the recurring SNL sketch "What Up with That?"?
What Up with That:  is a recurring sketch on the NBC television series "Saturday Night Live" which first aired in 2009. What Up with That:  It stars Kenan Thompson as Diondre Cole, host of a talk show on BET. Kenan Thompson: Kenan Thompson ( born May 10, 1978) is an American actor and comedian. Kenan Thompson:  In his teenage years, he was an original cast member of Nickelodeon's sketch comedy series "All That."
Kenan Thompson