Puppy

 Puppy  Puppy is a Friend

Finding Condition:

When Tiny's (Tiny's Building) is placed next to Next Door (Fatty's Building)

Appearance:

Puppy is a bright orange dog who has features similar to a Corgi.

Description:

A puppy who is friends with cats. No one has seen Puppy bark, so it's hard to tell if she's really a dog or a cat.

Gender: 

Female