Quote Originally Posted by hamishspence View Post
It's not that much more powerful than the Wild Hunt Hound- though should probably be reserved for an epic extension of the PRC.

Notable hounds/wolves in D&D besides those already mentioned:

Yeth Hound (MM)
Shadow Mastiff (MM)
Death Dog (Fiend Folio)
Voor (Fiend Folio) (demonic)
All of those added.