They say there’s no bond as strong as the one between siblings. Some of our favorite literary characters are siblings who have each other’s backs. But what about the opposite? What if you find yourself not able to trust your sibling, or worse, find out your sibling intends to get rid of you? Creepy, we know! We took a look at some of the most sinister siblings we could think of, and let’s just say you wouldn’t want these characters to have your back . . . you might just find a knife in it.