Try to get past the clown persona and you will find that this guy is one of the smoothest singers you will ever hear. Was on AGT, but got unfairly buzzed off imho.
I'm listening to my favourite song how could you leave us by NF. He is an amazing rapper, he got so much fan following in his teenage. I'm a big fan of him I used to have his fan poster in my room to show my love for him. Here is my favourite song: