What is mastiff pokemon?

As an AI language model, I do not have information about "mastiff pokemon" as there is no such Pokemon officially named Mastiff. However, there are several Pokemon breeds that resemble Mastiffs such as Stoutland, Granbull, and Snubbull. Here is some general information about these Pokemon breeds:

1. Stoutland: Stoutland is a Normal-type Pokemon that resembles a Rough Collie or an Old English Sheepdog. It has a loyal and protective nature and is often used as a guard dog. It has a shaggy fur coat and a keen sense of smell, which it uses to track down its prey. It evolves from Lillipup at level 16.

2. Granbull: Granbull is a Fairy-type Pokemon that resembles a Bulldog or an American Staffordshire Terrier. It has a fierce and intimidating appearance but is also friendly and playful towards its trainers. It has a strong jaw and sharp teeth, which it uses to defend itself from danger. It evolves from Snubbull at level 23.

3. Snubbull: Snubbull is a Fairy-type Pokemon that resembles a French Bulldog or a Pug. It has a cute and cuddly appearance but can be quite aggressive when threatened. It has a strong sense of smell and is often used as a guard dog. It evolves into Granbull at level 23.

Overall, each of these Pokemon breeds has unique characteristics and abilities that make them successful in battles and useful for their trainers.