▁only ▁shown . ▁He ▁is ▁only ▁seen ▁once ▁in ▁the ▁whole ▁entire ▁movie ▁with ▁the ▁line ▁of ▁" I ▁am ▁the ▁one ▁hiding ▁under ▁your ▁bed , ▁Te eth ▁ground ▁sharp ▁and ▁eyes ▁g low ing ▁red !" ▁ ▁Cre ature ▁Under ▁the ▁St airs ▁( vo iced ▁by ▁Ker ry ▁K atz ) ▁- ▁A ▁brown ish - gre y ▁mon ster ▁with ▁a ▁s nake - like ▁head , ▁black ▁and ▁white ▁st ipes ▁on ▁his ▁neck , ▁with ▁fingers ▁res emb ling ▁sn akes , ▁and ▁sp ider - like ▁hair ▁noted ▁by ▁his ▁line ▁in ▁“ This ▁is ▁Hall owe en ” ; ▁" I ▁am ▁the ▁one ▁hiding ▁under ▁your ▁st airs , ▁fingers ▁like ▁sn akes ▁and ▁sp iders ▁in ▁my ▁hair !" ▁During ▁the ▁Town ▁Me eting , ▁he , ▁the ▁C low n , ▁and ▁the ▁Under se a ▁Gal ▁debate ▁about ▁what ▁is ▁in ▁the ▁present . ▁He ▁is ▁later ▁seen ▁helping ▁pass ▁presents ▁up ▁a ▁supply ▁line ▁in ▁the ▁song ▁“ M aking ▁Christmas .” ▁ ▁Cy clo ps ▁- ▁A ▁thin , ▁black , ▁point y - eared ▁mon ster ▁with ▁one ▁eye . ▁He ▁looks ▁rather ▁nerv ous . ▁His ▁voice ▁actor ▁was ▁never ▁cred ited . ▁ ▁Dev il ▁( vo iced ▁by ▁Greg ▁Pro ops ) ▁- ▁A ▁red ▁devil ▁complete ▁with ▁horn s ▁and ▁a ▁be ard . ▁He ▁lik es ▁the ▁idea ▁of ▁a ▁P ox ▁being ▁in ▁the ▁box ▁( Christ mas ▁present ) ▁as ▁suggested