Most Information and Bio picture are from Xbox360Achievements.org and its posters xRogue 5x and Fizzmatix. Original thread can be found at this location.
The Glutton Slimer appears in Ghostbusters: The Video Game in the multiplayer missions. It is a Most Wanted Ghost. He is a fushia variation of Slimer and will appear if the player has captured the Polar Slimers and completed 60 jobs of any kind.