|Appearances||Layton Brothers: Mystery Room|
|Relations||Goldie Potsby-Mahn (Wife)|
Jack Potsby is a rich man who had recently won a large sum of money in Layton Brothers: Mystery Room. He is the victim in the case File No. 002: The Bungled Burglary, in where he was murdered in his own flat.
Jack Potsby wears a brown polka-dot shirt and red pants. He also wears white sneakers, a necklace and has brown hair.
002: The Bungled Burglary:
While watching TV, Potsby had been murdered by his wife Goldie Potsby-Mahn, using a knife made of ice to stab him in the back. Potsby-Mahn had married to Potsby after he won a large sum of money, and subsequently murdered him as he was losing his money quickly.
"A typical loser, unemployed with a gambling habit. His good looks were his one redeeming feature. It seems he had recently enjoyed a big win."