These creatures a treated as pets and accompanies its owner. It will attack if the owner has taken damage from his/her opponent, or when the owner attacks the opponent.
The Haunting Edit
The Haunting 3: Legend of Herobrine - Part 5 Edit
Ghosts of Dogs were seen around Iron Myre's capital city, which had suffered an attack from Herobrine during the War of the Five Kingdoms. Drake, Armen, and Grayson encounter this being, before suffering a Herobrine Headache.
The Haunted Edit
Season 1 EditSome have been seen at Grayson's house. The ones at his house are his pets and are speculated to have been killed during the Empire's raid on Grayson's house.
Stray dogs have also been seen at the Red Keep, where most of the place is run-down and under disrepair.
Season 2: Shadow of Herobrine Edit
Drake and Grayson encounter a wild dog in a cavern, where several monsters attacked them earlier. The dog accompanies the two until they reach the Gateway to Hell, where they leave the Dog behind.