I don't see why you couldn't, I believe most people here don't care to bother with others' pets, and I believe they come back just like we do if something happens.

[Slimer walks in a few circles before curling up between their feet with a soft 'whuff' on the tile. The puppy doesn't have that luxury, but Egon certainly plans to take good care of him.]

[He also offers a pierogi to Boone.]

Want one? They're potato and cheese.