Name: Referee (Hypergrid)
Portrayed by: Graham Overton
Notes: Referee of the Hypergrid contest - takes no nonsense from the contestants.
Trivia: The actor Graham Overton went on to play Lloyd in Byker Grove - the creepy character who ran the Psychandrics cult. Played a very good part and scared us all!
Picture below shows him playing Lloyd in all his creepy glory.