fuumin_(youkai_watch)
A youkai in Youkai Watch. Voiced by Endou Aya. Her Japanese name is a combination of fumin (不眠) "insomnia" and Fuumin (フーミン, nickname of gravure idol Hosokawa Fumie). Her English name is Insomni.
She is a mermaid-like monster girl with purple skin, a single eye, pointy ears and large breasts. Her youkai power is causing insomnia.