Roger (American Dad!)

Roger David Smith is a fictional character in the animated sitcom "American Dad!". He is voiced by Seth MacFarlane. The character was created and designed by MacFarlane. Roger is hundreds of years old. He is a grey space alien living with the Smith family. Roger's design is inspired by E. T. the alien in Steven Spielberg's "E.T. the Extra-Terrestrial".
Having lived on Earth since 1947, Roger came to live with the Smiths after rescuing main character Stan Smith at Area 51 four years before to the beginning of the series. Roger is known for dressing-up in many personas, so that his identity as an alien cant be known. He sometimes dresses-up as famous people.