Louis Tully: After being possessed by a Terror Dog alongside his friend Dana Barrett, Louis Tully's world was opened up to the paranormal like he never thought possible. Though still an accountant, Louis isn't afraid to step up and battle ghosts with the best of them.

Slimer: One of the least understood ghosts ever encountered by the Ghostbusters team, Slimer seems to have a limitless appetite for any and all forms of food - including an otherworldly green juice often sold in small boxes with straws.