Since Hazbin Hotel has only pilots out and Hellavu boss is not yet done I will explain what happened in my own head cannon so once they do explain it well to late to fix it and the plot of Hazbin Hotel won't start till later

To see what Mc(bendy) will look like most of the time check the comments

And Mc doesn't know that hazbin hotel world is in tv show

By the way don't expect 1:1 accuracy since we don't know all stuff in not gonna make every so some of the things form that world will change