Phantom doesn't speak much but when he does, it's always something creepy or morbid. He fell in with Asahi because he "liked the way he made heads explode." They run a small murder-for-hire operation out of the Chainsaws territory.
Chōchinbi: Demonic flames similar to Will O' Wisp. It imbues his twin swords with hellfire and allow him to cut through anything, including ghosts and shelled demons.