Hazbin Hotel/Sonic Fanfiction LORE BOOK.

So I'm currently making a story based on Sonic the Hedgehog and Hazbin Hotel crossing over into one universe. Unfortunately, I didn't predict the fact that people would have a huge amount of questions based on the simple idea of lore. I decided that since I didn't want to bog down my entire series by making my audience wait for answers that I still plan on revealing in my original series but I do think it's only fair I explain the lore before the events of my story. BTW I still am going to implement all of this lore in my fanfiction and it is subject to change as I write and progress the main storyline.