Oooh those are great ideas! Kinda hard to choose between. How about the Transylvanian one? I like the idea of suspiciouse people! OOh! How about a swamp kinda thing!

Not sure about what kinda cult though, maybe..... ooohhh

Ok so a bunch of adult cultist who want to sacrifice a child they had kidnapped from a traveling caravan or...

A bunch of child cultists who want to sacrifice a teenager as a way of staying young. A sort of children of the corn sort of thing

Also you need to find a sort of picture of your char