Zogu (ゾグ Zogu?) is the final threat of the TV series, Ultraman Gaia. She was a sent by the Radical Destruction Bringer to finally defeat the two Ultramen guardians, Ultraman Gaia and Ultraman Agul, and to crush mankind's spirit, in order to make a quick and easy victory. First appearing in her angel form, the alien appeared to be an ally, before transforming into her demon form and attacking. She appeared in episodes 49 though 51. Subtitle: Root of Destruction Angel (根源破滅天使 Kongen Hametsu Tenshi?)