Alhazred is Avshar's left hand man, third in command of operations. He's a demon and a loyal servant to Skotos summoned into the world to help spread darkness. I figure that he was summoned about when Avshar led his armies against Makuran, but has made appearance on Earth across history. Although he largely works in the shadows, there are several rumors among the surviving veterans of Makuran connected to Alhazred: some recall having to slay former comrades now fighting for Yezd who they're certain were killed, some remember fighting mad warriors, unbelievably strong but stripped of all humanity, and some remember seeing metallic insects scavenge the battlefield when the fighting died down.

In the shadows, Alhazred is in charge of tactics and R&D. He's fairly intelligent, completely amoral, but also slightly indifferent to what's going on around him. His primary interest is to toy around with and mangle the human bodies he can get his claws on in the name of research. He's magically-inclined and has a wealth of arcane and divine knowledge he uses toward cruel ends, bolstering Avshar's forces, turning good people into demons, and generally being terrible.

Alhazred will probably stay in the shadows and use proxies to appear in his stead mostly, but he'll appear from time to time to test out a new experiment or such. He's capable of fighting, though he prefers strategy and doesn't get his hands dirty. He can use magic and summon insect familiars, Bastis and Esparanza, that project an eldritch shield around him while attacking with energy beams. Of course, he also has a "true form" that he's saving for a final battle.

PLOT HOOKS:
-Maybe someone knows a person or IS a person who was turned into a demon by Alhazred.
-A moral rival to match wits against
-Someone who might be familiar with demonology to know Alhazred
-Maybe someone whose home or town was attacked by the guy and wants to seek revenge
-If he's allowed to have a laboratory or such, that ought to be wrecked