Tamapochi

Apperrance
Tamapochi has the apperance of a young girl with light hair.

Personality
Tamapochi's personality is very random because her creator had a random personality and tends to fall asleep standing still.

History
Tamapochi is a demon created by the Great Demon Lord to guard the portrait of Iris, but it seems he had  forgotten about her when he tries to get the portrait back. While guarding the portrait when it was in Kugayama's possesion nobody was able to defeat her and see the portrait.