Hazbin Hotel & Helluva Boss X Oc

This is a fanfic obviously and thus, Helluva boss and Hazbin Hotel do not belong to me at all. It belongs to Vivienne.
Now with that out of the way. This story will contain swearing so if you sensitive to that I suggest not to read this.

John Graves is a 26 year old male who loves anime and killed people . As a human he was a notorious killer known as the smiling demon, and he hides his identity with a demon mask. Well that'll be a story for secret they will be revealed . In his death no one was able to truly figure out who via was. So i guess you could say he took his secrete to the grave. So naturally he ended up in hell what happens in hell. Well you will have to find that out yourselfs.