...How about this?
Monster. The word itself connotes something wrong or evil. Natural, freak of nature, nurtured by a mad alchymist or simply the last of its kind. These creatures must be unique and... well, monsters! Producing physical or mental fear by either its appearance or its actions. Mutants, mythical beasts, humans, flora, fauna, anything goes. Lets expand the boundaries and our established notions of what monsters are and can be!
Check under your bed before turning of the light!
*MJS twiddles his thumbs innocently while whistling a cheerful tune*