Hamatula

"This creature looks like a tall humanoid covered with sharp barbs, right down to the tip of its long, meaty tail. Its eyes shift and dart about, making it appear agitated or nervous."

- Monster Manual 3.5

Barbed devils – also called hamatulas – are the guardians of Hell, entrusted with important duties such as defenders of infernal fortresses and prisons, guardians of vaults and bodyguards to the most powerful denizens of the Nine Hells.

Physical description
As their name implies, a barbed devil is covered in a mass of sharp barbs. Their hands end in long, razor-sharp claws. A barbed devil is about 7 feet tall and weighs about 300 pounds.