There are at least 5 artists called Pitbull:
1) Pitbull is an American rapper from Miami.
2) Pitbull was an American indie rock band from Boston.
3) Pitbull is a Belarusian heavy metal project by Petr Elfimov.
4) Pitbull was a hardcore band from Detroit.
5) Pitbull was an Oi! band from Germany
Armando Christian Pérez (born January 15, 1981 in Miami, Florida), better known by the stage name Pitbull , is a Cuban-American rapper signed to his own label, Mr 305 Inc. Read more on Last.fm