Justin Bieber Reveals Alter Ego Shawty Mane

As if topping the pop charts wasn't enough, Justin Bieber wants to prove himself as a rapper. Yup, it's true; he even has an alter ego, Shawty Mane

Bieber introduced the world to Shawty via his twitter page.

You can check out Justin's rapping skills in the video below...

So what do you think of the Bieb's rapping skills? My guess is he's just testing the waters trying to figure out what he'll do once his voice finally breaks.