A Class 4 Entity (that is part of the Classification System) are human in looks and are identified easy.
Primary Canon
Ghostbusters: The Video Game
List of Entities
- Beauty Queen Ghost
- Chef Ghost
- Clown Ghost
- Confederate Ghost
- Library ghost
- Opera Diva ghost
- Order of Pelicans Ghost
- Union Ghost
Secondary Canon
Taken from Ghostbusters Role-Playing Game
Class IV: Identity established. Distinct human form and personality with known identity, such as General Custer or Cleopatra. Economic disposal methods include research into the background of said entity, as well as possible communication with it.
List of Ghosts based on The RPG Guidelines
Ghostbusters: The Video Game Stylized
List of Entities
- Book Centurion
- Egyptian Mannequin
- Electronic Wisps
- Flying Skull
- Hound Demon
- Library Phantasm
- Mayan Mannequin
- Wandering Possessor
- Spider Scuttler
IDW Comics
List of Entities
Animated Series Class 4
The animated series doesn't follow the same rules as RPG and can go higher. To read more about it go to Animated Classifications.