Growlithe

Growlithe is a loyal, courageous Fire-type "Puppy" Pokémon with an excellent sense of smell, known for its orange fur with black stripes and cream-colored muzzle and belly. It is fiercely loyal to its trainer, brave in battle, and protective of its territory, barking and biting at intruders. Growlithe evolves into the powerful Arcanine when a Fire Stone is used. There is also a Hisuian variant with dark orange fur and rock-like elements, known for living in pairs and being more wary of humans.

The growlithe evolves into the arcanine (which is in the image above). There is also another type of growlithe known as the Hisuian Growlithe which looks a little different to the normal growlithe. They patrol their territory in pairs. I believe the igneous rock components in the fur of this species are the result of volcanic activity in its habitat.

Growlithe appears in several episodes of the Pokémon anime, including episodes focused on Officer Jenny's police work, such as "The Case of the K-9 Caper!" and "The Flame Pokémon-athon!", and in "Holy Matrimony!" where it is revealed to be James's childhood pet. A Hisuian Growlithe also debuted in HZM071, and it is a recurring Pokémon with Officer Jenny in different regions and in specific episodes related to her work