I think that Cappadonna and Immortal Technique are good names...
Good: Phil Da Agony, Guru, Cuban Link, Kool G Rap, Drag-On, Fatal Hussein, Storm, Planet Asia, Sticky Fingaz, Armageddon, [sic] sense, Kay9ine, One-2, Lady Of Rage, Locksmith, Shade Sheist, Proof, Tha D.O.C, Rated R, Sinful, Balance, B-Real, B-Legit, Brotha Lynch Hung, JT The Bigga Figga, Mellow Man Ace, Suga Free, Sylk E. Fyne, TechN9NE, Twista, Mos Def, KRS-One, Blaq Poet, Everlast, Stat Quo, Rhymefest, Saafir, 12 O'Clock, Bronze Nazareth, Raekwon The Chef, Killah Priest, Last Emperor, Masta Killa, Inspectah Deck, Ghostface Killah, Method Man...
Bad: Gangsta, Baby, Caviar, Baby Bash, Freaky Zeeky, Dirtbag, Young Buck, Juvenile, Turk, Wallet, Suga Buga, SkiLL, Brooklyn, Slim Thug, Soopafly, The Teflon Don, Horse, Stormey, Jewelz (Alen Iverson) and everything with Lil', Mr, Big & Young...