It will be finished as soon as possible. We're working as fast as we can, sheesh!
Gaki (餓鬼 Gaki, lit. Hungry Devil) are yōkai who suffer eternal hunger.
first briefly appeared in the 6th episode Hell Journey! Ghost Train!! in the group of hungry souls outside the Cemetery Urn Station, later can be seen in episode 77 Yōkai Te-no-Me and Hell's Gaki as one of the main opponents of that episode.