T Payne has a hilarious sense of humor, he's not a wack nigguh. have you seen the vocoder sketch?
T-PAIN v. His Vocoder from T-Pain
Who cares if he is funny or not, they are mocking his 'style' and how Americans cream over his voice effect that can be imitated by anyone who can open their mouth.
See video:
[ame=http://www.youtube.com/watch?v=Fpu6C70WROM]YouTube - Tpain Cant Sing Original[/ame]