'Satan's Little Helper' (2004)
During Halloween, nerdy little Douglas Whooly unknowingly befriends a masked serial killer. Doug and his new best pal live out his favorite video game Satan's Little Helper. Doug thinks it's all make believe, so the two continue to terrorize the locals – and then his family.
Creepiest Scene: When Doug's sister Jenna think her boyfriend Alex is trying to have sex with her, Doug interrupts just before it goes too far.