What is the name of the guy in black in the Ka-son club sketch?

I know I've seen him before but can't think of where. He says, "What's up Ka-son?" Here's the link for reference. a href="http://tiny.cc/bxjm1" rel="nofollow"http://tiny.cc/bxjm1/a It's driving me a bit crazy though. Hope someone knows. Thanks in advance.