The Utukku are a race of fictional demons in the Super Sentai series Uruk Sentai Babelranger based in the Utukku of the sumerian and babylonian mythology a race of spirits. the evil utukku are called edimmu and good utukku are called edimmu shedu or lamassu. in Uruk Sentai Babelranger the Utukku are the enemies of the Uruk Sentai Babelranger such the army of King Nergal.