Robin Eley is an Australian artist who amongst other things has a collection of hip hop inspired realist illustrations. Most of his work is very conceptual to keep you thinking.
and i just thought that this was was crazy, titled "Hip Hop Clown"
You can catch Robin's work in various issues of The Wall Street Journal, Vibe, and many other outlets.
Or peep his catalogue on his site
As well as an interview with Format here