For the film character, see Mr. Prosser's Touchstone counterpart

What do you mean, why's it got to be built? It's a bypass. You've got to build bypasses.
—Mr. Prosser to Arthur Dent[src]

Mr. L. Prosser was a chronically anxious human city council worker and direct descendant of Genghis Khan who demolished Arthur Dent's house to make way for a bypass, mere minutes before he was killed when the Vogons destroyed the Earth to make way for a hyperspace bypass.


Mr. Prosser was "only human" and was a direct male-line descendant of Genghis Khan, although "the only vestiges left of his mighty ancestry were a pronounced stoutness about the tum and a predilection for little fur hats".

He died when the Earth was destroyed by the Vogons on a Thursday.[1]


In the first novel, Mr. Prosser was described as "forty, fat, and shabby". He was a "nervous, worried man". One thing he was especially nervous about was the demolition of Arthur Dent's house. He wore a fur hat, which was somewhat reminiscent of Genghis Khan's own.

Mr. Prosser liked axes, unlike his rose-fancying wife. Mr Prosser's dream home was a home well away from all problems but right near a pub.


Appearances of Mr. Prosser


  • A version of Prosser on a parallel Earth appeared in Fit the Twenty-Sixth of the radio series, despite not appearing in the novel Mostly Harmless, voiced by Bruce Hyman. Similar to his primary counterpart, this Prosser wished to demolish the cottage of Arthur Dent and Fenchurch.