Some scary monster names are Shadow Demon, Dark Master, Death Lord or Red Devil. Some other ideas are Black Skeleton, Liquid Monster or Dead Zombie.
killer
monster murder
Its a scary sort of monster!
ghoulish grapes monster marshmellows
cutthroat, sawfinger and red
fact monster is a scary monster full of facts
some scary images and sequences, thematic elements, some crude humor and brief language.
clawdia
scary
Monster House (2006) is rated PG for scary images and sequences, thematic elements, some crude humor and brief language.
Charles Manson
Lochness Monster