* CompleteMonster: Yolanda. She not only murders Paton's mother by tossing her down a flight of stairs, she also corrupts his sisters into what they are in the series.
* TheUntwist: Seriously, is there ''anyone'' who didn't guess that [[spoiler: Mr. Pilgrim was Charlie's father]]?
* TheWoobie: Billy Raven has this ''hard''. Each book introduces some new torment that the poor kid has to go through.