I'm not familiar with Sin City's dogs. But I am somewhat familiar with the Tonkabear stuff. The little that I do know about this blood I learned from Otter and The Skipper. Here's two that I got directly from the source...

http://www.apbt.online-pedigrees.com/mo ... _id=416336

http://www.apbt.online-pedigrees.com/mo ... _id=147810