Really liked the ending to chainsaw man
Spoiler thought
Maybe Pochita was the devil of family death.
If he was erased it explains why Aki didn’t join in the end because his survived and all of Denjis family came back to life
It also relates to the chainsaws, which were
Invented to help with childbirth, the first memory of lots of babies was the bloody gory death of their mother.
Things like his umbilical cord and the fact this would be a fear that every human would have would make him very powerful.
Denji killed his only blood family etc