The Lajestic Vantrashell of Lob
The Lajestic Vantrashell of Lob is a small man with a strange hat who guards God's Final Message to His Creation, and who sells Arthur and Fenchurch a ticket to it before passing them on a scooter and imploring them to "keep to the left". Introduced by Prak in the epilogue to the novel Life, the Universe and Everything, he finally appears towards the end of the novel So Long, and Thanks for All the Fish when we also realize that he has been a regular visitor to Wonko The Sane, who describes angels with golden beards and green wings, Dr Scholl sandals, who eat nachos and do a lot of coke. He says that he runs a concession stand by the message and when Wonko says "I don't know what that means" he says "no, you don't".
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