While each has its own set of fantastic powers, they also have specific shortcomings that make them (and Ben) vulnerable to a variety of villainous adversaries - all of whom seem magnetically drawn to 'the watch'. The Omnitrix, with its ability to biologically transfer the otherworldly DNA of bizarre alien species, enables young Ben Tennyson to morph into 10 separate superheroes: Heatblast, Upgrade, Grey Matter, Stinkfly, Ghostfreak, Ripjaws, Wildmutt, Four Arms, XLR8 and Diamondhead. When the most powerful device in the universe falls into the hands of a 10-year-old boy, there are bound to be some major complications. 'Oh yeah, it's Hero Time!' - Ben Tennyson
