New pet idea

Hi, I was thinking seeing the new "Pickaxe" summon, that it could also be funny and perhaps useful to have a new pet that would help you carry stuff. The main advantages of this pet would be increased backpack space. With the pet skills this could be increased further. I had the idea that this visually could be some sort of relative to our beloved Strolly Poly: the Trolley Poly ;-) Other skills could be increased armor or block chance for the player. I see it as a passive pet. It could also be some sort of chest-like-thing with legs. Perhaps crab or spider-like, more linked to the creatures in the new announced biome.
Keep up the good work. We can't wait for January 28th!