Like the Kappa, the Kamaitachi will be available immediately upon the Yokai Club's release. They are also a 2-stage pet, starting with the fairly innocuous chimes and evolving into VEECIOUS VEECIOUS WEASELS.
Seriously. These guys were no joke. They roved in bands of three: One to slice you, one to dice you, and one to cover up all your wounds so that once they were gone, you were hurting and had NO IDEA how or why!
I'm just cribbing from Wikipedia anyway, so I'll go ahead and link.
Link:
More about Kamaitachi
