flava flav was the first crazy rapper wearing a big clock(the early version of the bling bling era).
The sentence : YEAH BOIIII , he used a lot, just like lil jon does these day's with his version oh-kaaay and such.
public enemy was the group that made the first real hiphop,
you can find traces of public enemy even in tupacs lyrics.
legendary tracks where flava flav got famous with even with the mainstream:
fight the power
bring that beat back
Don't Believe the Hype
Bring the Noise
Rebel Without A Pause
911 Is A Joke
Shut 'Em Down