THis is quite simple...

Del/Deltron3030/Del the funky homosapien/Delphonic/Gorillaz
Dose One
Vast Aire
this guy alias sounds a lot like Eminem...(just for those who dont know)
Aceyalone
Queen Herione (dopest femcee ever)
theres a bunch more...Most of you are naming Mainsream ppl...these are from the sounds of the underground...