Manx is very sly and mischievous, as he once feigned being sick to so that Janine would let him in and he could steal food.
- There is a species of cat known as "manx". Unlike this cat depicted, the manx is almost always born without a tail.
- In Ghostbusters Volume 2 Issue #1, page five, there is a non-canon reference to Manx. His name appears on Egon Spengler's marker.
- "Nothing to Sneeze At"
- "A Mouse in the House"
- "Special Delivery"
- "Out with Grout" (cameo)
- "Slimer's Silly Symphony" (cameo)
- "Room at the Top"
- "Tea but not Sympathy"
- "Up Close and Too Personal"