Tail Terrier is a character in Krypto the Superdog. Although he is supposed to be from outer space, he most closely resembles a Scottish terrier. He uses his tail as a lasso and talks and acts like a cowboy. He has the record of appearing in all but one episode where the Dogstars appeared. The only Dogstar episode he does not appear in, along with Paw Pooch, is "Puppy Problems." He is best friends with Bull Dog. and briefly mentions to Krypto in the episode "The Good Life" that they are roommates.