Ben 10 (2005 - 2008)

"Ben 10" is an American science fiction animated series about a teenager who discovers a strange alien device called the Omnitrix. Ben Tennyson was just an ordinary schoolboy from Earth. However, thanks to this invention, he can now transform into ten different forms. His new forms are alien superheroes, each with their own unique power or ability. But along with this gift comes great responsibility. Now he must daily save the world and protect the weak.