He is from a planet in the vicinity of Betelgeuse, and is a “semi-half-cousin” of Ford Prefect, with whom he “shares three of the same mothers”. Because of “an accident with a contraceptive and a time machine”, his direct ancestors from his father are also his direct descendants. He was briefly the President of the Galaxy (a role that involves no power whatsoever, and merely requires the incumbent to attract attention so no one wonders who’s really in charge, a role for which Zaphod was perfectly suited). Zaphod’s just zis guy, you know?
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