Ambiguous tag.
For the artist formerly tagged here, see Ug (Ugg).
For some other potential artists named ug: ug_* search | *_ug search
For some characters named ug: ug_* | *_ug
For a type of Mecha ("ウグ") in Ginga Hyouryuu Vifam, use its official English spelling: "WUG"