Barghest

Barghests are goblin lycanthropes. They possess some magical ability, along with the shape-changing and strength associated with werewolves. Most certainly have an evil temperament to match.

Early years
Barghests originate from the plane of Gehenna but are sent to the Prime Material Plane to mature. Once they have reached maturity, they are allowed to return to their native plane. Their method of doing this is gruesome in nature. To grow and become stronger, the barghest, known as a barghest whelp in it's formative years, must devour victims in order to gain size and strength. The stronger the victim consumed, the more power is attributed to the whelp.

In one case, a barghest named Ulgulu lived out his early years around the region of Mirabar and becomes very strong after many such consumptions, so strong in fact as to be near able to return to Gehenna. He slew a farmer family called the Thistledowns, and devoured the eldest daughter. In the process, he left false evidence to point the blame at the dark elf ranger Drizzt Do'Urden so as to cover his crimes. In revenge for the slain family, the drow killed Ulgulu, along with the creature's minions and brother Kempfana. Ulgulu died halfway between changing back from the form of a gigantic wolf, proving the barghest's ability to shape change.