caina, a common demon that appears in the series. they are demon resembling the grim reaper or death himself. they are foot soldier to the crimson child and the hooded demon Xaldin. they really don't have any genders to them. but are more male though. wolfram and Xana are intro duce to these monsters and are facing them in some of the manga series. there are other demons that work with them but for now this is the main and common demon that is shown in the series.