Chacmool

Chacmool (チャックモール) is one of the Five Worst of the Great Tomb of Nazarick. He is the creation of Temperance and was stated to be a musical instructor.

Personality
Judging by Demiurge's description, Chacmool appears to be one of the denizens of Nazarick that view humans as food or toys. After questioned by Ainz, it was stated that he will prioritize his creator's orders before anyone else.

The Dark Hero's Story Arc
While making a list of possible items that the NPCs of Nazarick would desire from Ainz Ooal Gown, Shalltear Bloodfallen recommended that they add humans to the list. Demiurge agreed stating their comrades like Chacmool and Neuronist Painkill would find that request desirable.

The Paladin of the Holy Kingdom Arc
A group of Greater Doppelgängers informed Ainz that they are under Chacmool's command.

Abilities and Powers
Chamool appears to command several Greater Doppelgängers.

Temperance
Temperance is the creator of Chacmool. Thus, he commands the most respect and loyalty towards Temperance than all the other Supreme Beings.

Erich String Orchestra
Chacmool holds some degree of control over these Greater Doppelgängers as their superior.

Trivia

 * In the Web Novel there is an NPC that is referred as the Musician, though it is unconfirmed if it is Chacmool.