Fukuzou Moguro

喪黒福造, Laughing Salesman
Fukuzou Moguro is a villain from the Fujiko Fujio manga/anime The Laughing Salesman. He is a salesman who never has been charged for anything instead tried fill gaps in clients souls but will ruined their lifes if they backstab him or never ask him for help. With their lives ruined he is satisfied with his job and looks for more potential clients.