Tech N9ne-Because even though he gets screwed constantly, he continues to "Keep on Keepin' On"....lol. He is one of the best in my mind.
DMX-The guy is awesome... c'mon. I don't care what he puts out, I respect him.
Eminem-He faces all the criticism and hate, and just spits in their faces and laughs. He's a great MC and has an awesome career ahead of him.
KRS-One-He continues to put out his stuff even as he gets older. He's not as popular as he once was, but he's just doing it now to let everyone know he's not getting worse.

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