Hitchhiker's Guide to the Galaxy
Ford Prefect: Ford Prefect is an alien from a small planet in the vicinity of Betelgeuse. When he arrived on Earth, he thought that automobiles were the dominant race, so he named himself after one.
Zaphod Beeblebrox: Zaphod Beeblebrox is Ford's semi-half cousin and the President of the Galaxy.
Marvin: Marvin (the Paranoid Android) is Zaphod's personal robot assistant. Marvin suffers from severe depression and boredom, as he has an amazing level of intelligience that he is unable to use.