Velvet worms (phylum Onychophora) are very strange creatures. They are related to arthropods and tardigrades, looking like soft fluffy centipedes.
I had thought of making one a while ago but it slipped my mind... and then someone on the etsy forums suggested it. I finally got a chance to do some sewing today, so here it is!
My favorite fact about these animals: some species can squirt out a type of glue to catch their prey! This substance can be shot up to 30cm away (velvet worms themselves range from .5 to 20cm long) to catch other invertebrates.
I'd really love to have one (or more!) of these as a pet some day.