Tommy McClane's Demon

This unnamed demon was possessed Tommy McClane. He also one of high-ranking demon that take part of demon's plan to stir up the Apocalypse.

History
No much known about him. At some point, he become one of Lucifer loyalist. It was hinted that he attained such high position in hell and commanded hundreds of demon army.

At some point, he learned about the existence of Judas's Noose and its power. Initially, he sought it for power and determined to find it after tracking it for some time, only for losing some time during Civil War. When the Apocalypse stirring, he changed his objective and wanted to use it to Sam to accelerate the preparation of Sam as Lucifer's vessel, accelerating the course of the Apocalypse.

Supernatural: The Unholy Cause
At some point, he established contact with Tommy McClane and possessed him. He granted him more power, but with twists.

With this demon and his demon army, Tommy and his son, Nate, able to trap Sam and nearly forcing him to use the noose. Dean saved him and exorcising all of the demon present. Tommy, however escaped from the scene, thanks to his demon immunity against exorcism.

Growing impatient, Tommy unleashed all Moa'ah inside the noose, causing more chaos. Moa'ah inside it granted more power to Tommy. However, Tommy's body unable to cope with the sheer amount of power and overstrained, expanding Tommy's body to the point that it nearly ruptured. The noose could be retake by Dean and giving it to Jackie. Jackie later remembered that in order to suppress the noose power, it should be returned to its sealing room. Jackie later able to cast it back, suppressing the noose power.

Tommy later encountered by Dean and they brawled. Dean won the brawl and able to retrieve his Demon-Killing Knife. He later plunged the knife to Tommy's heart, exploding his body along with the demon and Moa'ah that possessed him.

Powers and Abilities
The demon was a fairly powerful black-eyed demon.
 * Demonic Possession  - As a demon, he required a vessel to walk the Earth.
 * Immortality - As a demon, he was immortal unless killed properly.
 * Invulnerability - As a demon, he was invulnerable to all forms of conventional harm.
 * Immunity - He was immune to exorcism.
 * Demon Control - He was able to control hundred demons at once and summoned them to assist him.
 * Super Strength - As a demon, he was stronger than humans.
 * Magic - He possessed some knowledge of Judas's Noose recreation.

Weaknesses

 * Overstraining - Despite Tommy's body quite resilient, the sheer amount of Moa'ah power was too much for his body, crumbling his body in process. It also affected his overall power.
 * Demon-Killing Knife - To was killed by it, exploding his vessel body.

Appearances

 * Supernatural: The Unholy Cause

Trivia

 * Despite his ability in controlling large number of demon army in one time, in the novel, he was stated as "low-rank" or "minor demon" instead