Barem Bridge

Flamethrower Hybrid (real name unknown) is a human-devil hybrid that merged with the Flamethrower Devil and serves as a minor antagonist in the Control Devil arc, where he faces the Chainsaw Devil.

Human Form
The Flamethrower Hybrid's human form is that of a tall man with relatively long black hair, the hair having a strand that hangs down on the Hybrid's forehead. He wears a standard Devil Hunter uniform consisting of a suit and tie.

Hybrid Form
When transformed, the Flamethrower Hybrid has his head transformed into three huge fuel tanks while his neck becomes a jumble of metal parts. The Flamethrower Devil Hybrid's arms transform into giant flamethrowers that serve to attack his enemies.

Personality
Flamethrower Hybrid's personality is currently unknown, as he was mind-controlled during all of his appearances. However, he taunted Denji before setting him on fire and was observant enough to notice that he was weakened in the final fight.

Control Devil arc
After Makima commanded her agents to attack. The Flamethrower Hybrid along with other hybrids pulled out their weapon, transforming themselves into their hybrid forms, and lunged at Denji. As each makes contact with him, they are blown back by the force of him leaping forward.

After Chainsaw Devil defeated Katana Man, the Flamethrower Hybrid appeared on the floor below Denji in the building and aimed his two flamethrowers at the ceiling, firing and generating a huge explosion of fire after which Chainsaw Devil was attacked by the other hybrids and sent off Earth by Makima, but he managed to come back and cut them all in half.

He reappears in the final fight where he sets fire to several zombies that were around Denji in an attempt to kill him, however Denji escapes the attack and cuts the head of the Flamethrower Hybrid in half.

Hybrid Powers

 * Hybrid Transformation: By making a sign by putting his thumb behind his teeth, he can transform into a hybrid with tanks for a head and flamethrowers for hands.
 * Augmented Body: Flamethrower Hybrid has strength, defense and speed well above average for being a hybrid, being able to match beings like Katana Man and Chainsaw Man.
 * Flamethrowers: Flamethrower Hybrid can fire powerful blasts of fire from his flamethrowers, they are strong enough to cause explosions that reach an entire floor of a building and set an entire horde of zombies on fire.
 * Blood Consumption: As a hybrid, Flamethrower Hybrid is able to heal wounds by consuming blood, regenerating his entire body.
 * Nigh-Immortality: Due to being a hybrid, Flamethrower Hybrid is immortal and nearly unkillable.