Only a few descriptions of the udug are known[1] and, according to Gina Konstantopoulos, no pictorial or visual representations of it have ever been identified.[1] According to Tally Ornan, however, some Mesopotamian cylinder seals show a figure carrying a scepter alongside the benevolent guard demoness Lama, which may be identified as the udug.[15] F. A. M. Wiggerman has argued that images of Lama and the udug were frequently used to guard doorways.[16]