Happy Mother's Day to all the mamas out there! In honor of the holiday, I compiled a list of some of the greatest Horror Mamas. Of course, it's a list based on my personal tastes (but I have pretty great tastes). They are in no particular order. Mrs. Vorhees of FRIDAY THE 13th Not many people know this, but Jason wasn't the killer in the original Friday the 13th. In the original, it was Jason's mama, Mrs. Vorhees. She went around killing people for they did to her son—letting him drown in the lake. That's one devoted (and demented) mama. Norma Bates of B[...]