Ungaikyou

雲外鏡/クモ子

Ungaikyou (meaning Mirror Beyond the Clouds) is a mirror youkai and an antagonist of Kitarou. His disguise as a young girl is usually left unnamed, however, the 1996 anime gives the disguise the name Kumoko (クモ子 Kumoko, lit. Cloud Girl). (Source: GeGeGe no Kitarou Wiki)