The Gas Man is the titular character from the series 4* episode The Gas Man Cometh.
(season 4 for you americans)
Description[]
The Gas Man was of medium build and had a long, thin moustache and slicked-back black hair. He wore a pair of black sunglasses, and dressed in a one-piece smock which resembled an astronaut’s suit but without the helmet.
History[]
The Gas Man tricked young Stefan - a serial prank caller - into inhaling so much helium that he floated off into space, never to make a prank call again.
Trivia[]
- The Gas Man had a pair of 'minders' who accompanied him wherever he went. They were seen when he arrived at Stefan's door with the helium.