What about a snail? We had it twice in the splash screens already. And the one from the second image isn’t that bad made. I just don’t know if it’s a good idea. A snail isn’t exactly cuddly 
I would have a old horse mesh around. Maybe a unicorn would do the trick. Needs better texturing though. And the proportions are too realistic. A rigged goat is also around here. Or a wasp, or a spider or an orc. It’s all pre PBR and pre sculpting material though. So it would most probably all need a big overhaul.