When we're talking underrated who are some artist that never come up?

I'm gonna be honest here, Asher Roth. As soon as anyone hears that name they of the 'i love college kid', but listen to some of his other stuff. He's trying to educate all his listeners about how ****** up this world is: listen to songs like sour patch kids or stop waiting on the world to change. And in my opinion, that beats educating your listeners about how someone 'licked your lollipop'. Haha...