▁N ø kk ▁a ▁more ▁stable ▁appearance ▁than ▁the ▁ocean ▁as ▁dep icted ▁in ▁Mo ana . ▁According ▁to ▁effects ▁super visor ▁Er in ▁Ram os , ▁the ▁N ø kk ' s ▁liquid - like ▁appearance ▁was ▁developed ▁by ▁the ▁film ' s ▁effects ▁team , ▁which ▁he ▁said ▁was ▁" so ▁that ▁[ the ] ▁N ø kk ▁would ▁feel ▁like ▁a ▁strong ▁and ▁storm y ▁creature ". ▁According ▁to ▁Mar lon ▁West , ▁the ▁film ' s ▁head ▁of ▁effects ▁animation , ▁the ▁anim ators ▁were ▁given ▁" the ▁tools ▁to ▁actually ▁perform ▁with ▁an ▁ultimately ▁invisible ▁rig ▁that ▁res emble d ▁a ▁little ▁com et ", ▁as ▁well ▁as ▁old ▁key - fr aming ▁technology , ▁in ▁order ▁to ▁represent ▁the ▁character ▁of ▁G ale . ▁ ▁To ▁create ▁the ▁wind ▁spirit ▁G ale ▁a ▁new ▁tool ▁called ▁S wo op ▁was ▁invent ed . ▁This ▁required ▁that ▁four ▁( and ▁sometimes ▁five ) ▁different ▁depart ments ▁had ▁to ▁co oper ate ▁on ▁the ▁animation ▁of ▁the ▁character , ▁with ▁anim ators ▁working ▁with ▁real - time ▁feedback . ▁ ▁The ▁water ▁simulation ▁was ▁made ▁to ▁be ▁more ▁real istic ▁than ▁in ▁Mo ana , ▁but ▁some ▁of ▁the ▁elements ▁in ▁the ▁movie ▁were ▁so ▁real istic ▁that ▁they ▁felt ▁incons istent ▁next ▁to ▁the ▁characters , ▁and ▁so ▁they ▁had ▁to ▁be ▁made ▁more ▁sty list ic . ▁ ▁Creating ▁the ▁fl ur ry ▁effect ▁was ▁so ▁difficult ▁for ▁the ▁anim ators ▁that ▁the ▁direct ors ▁decided ▁El