I have a bit of a soft spot for spooky creature designs, elementals, or more animal-like creatures. Keeping this in mind, some of my favorite IdleOn creature designs are definitely the Xylobone, Fire ...
The idle game RPG where all your characters keep grinding 24/7! Choose classes & skill trees as they level up, and spend their loot to gain more power... but don't be fooled by the simple graphics, ...