CLEVER - Skilled at doing or achieving something
DARK - With little or no light
CRAZY - Mentally deranged, especially as a manifested in a wild or aggressive way
SADIST - A person who derives pleasure inflicting pain or humiliation on others
MANIAC - A person exhibiting extreme symptoms of wild behavior, especially when violent and dangerous
MAD - Mentally deranged, especially as a manifested in a wild or aggressive way
INSANE - Mentally deranged, especially as a manifested in a wild or aggressive way
DEADLY - Causing or able to cause death
SARCASTIC - Marked by or given to using irony in order to mock or convey contempt