Jack-O-Lantern

Appearance
He has a pumpkin head along with a blue floating gown. He wears white gloves.

Personality
He shows a gentleman like manner and is good with kids he also show his loyalty to Ayesha because of following her commands.

Relationships
Ayesha - he can be summoned by Ayesha, a spirit that controls natural gas. He often listens to orders from her as shown in Episode 8 when the two partners were dueling with Kasukabe You.

Gift
He himself is a Gift with the power to create and possibly manipulate fire it was stated by Jin that the Will-o'-the-wisp fire came because of interaction of marsh gases that creates the fire.