Way back in the 90's, Sprite did a series of ads featuring Voltron! But instead of the team we're used to, rappers formed the giant robot. What was the result? Pure awesomeness! In fact: here's the entire campaign:
click here
And for the curious:
Blue=Goodie Mob
Green=Fat Joe
Red=Common
Yellow=Mack 10
Black=Afrika Boombatta (one of the founders of the genre)