What are Casper and Slimer?
Slimer Slimer helped an exhausted Louis by giving him a ride to the Manhattan Museum of Art (to which Louis wonders how he got a license to drive a bus). Slimer appears in the 2016 film "Ghostbusters: Answer the Call", voiced by Adam Ray. After Rowan North unleashes an army of ghosts upon New York City, the Ghostbusters see a green glow coming from a hot dog stand, and find Slimer inside. Slimer promptly hijacks the Ecto-1 and rides off. The Ghostbusters are unable to stop him. Slimer is later seen driving the Ecto-1 around New York City and several of
Slimer opts to split up. Rookie and Peter are tasked with recapturing Slimer. Peter believes he's feasting in the Alhambra Ballroom but the manager John O'Keefe bars entrance. Peter regroups and leads Rookie through the kitchen to access the other entrance to the ballroom. Rookie and Peter successfully trap Slimer. Slimer is placed back into a working Paranormal Containment Research Tank when the team returns from Times Square. When Ivo Shandor shut down the containment grid, Slimer is among the escapees. After the Ghostbusters destroy Shandor and return to the physical plane, Slimer slimes Ilyssa Selwyn just as she and Peter