Hellhound

Hellhounds are demonic beings also known as 'demon gods' because the look and even act like dogs to an extant. Dog is man's best friend, so it could be said that the hellhound is demon's best friend. Though they are used as attack dogs rather then pets but wild hellhounds do exist.

Naturally hellhound posses demonic magics and/or elemental magics. Though they'll have one element or another in that case, but it can be anything from fire to ice to shadow.

History
Hellhounds are said to have been first created by the black wizard Zeref as an aid to demons as well as stand alone demonic beings for a wide variety of tasks including to help demons to accomplish there original task.

Magic & Abilities
Hellhounds demonic or elemental powers are used in many ways, such as breath attacks, teleportation, and enhancing other abilities or normal attacks. They will also use there claws and teeth to attack often combining it with magic.

Culture
Hellhounds are often servants to demons and have no real culture. Wild hellhounds mostly wander around and act like lone wolves and provide for themselves and attack threats that come to close.

Subtypes
Hellhounds are often classified by what element or magic they use, there are also magical constructs made to look and work like real hellhounds that demons and mages use or summon. Another monster often seen as a sub type is the Cerberus, as it is often used and seen like a larger, stronger, and three headed hellhound. False hellhounds seem to be more common then the real thing in Earthland.