Sunny is described as "mischievous".
Mischievous
Mack is described as "determined" in Neko Atsume.
Gabriel is described as "diligent".
Tabitha is described as "leisurely".
Patches is described as "jealous".
Princess is described as "ditzy".
Spud is described as "cautious".
Shadow is described as "peculiar".
Marshmallow is descried as "aloof".
Cocoa is described as "indecisive".
Willie is described as "crafty".
Ginger is described as "bashful".
Snowball is described as "mellow".