biography: <br>xia liu (because his name sounds like "pervert" (下流), his name is often dragged into that theme) literally sleeps "under" the house as the entrance to his bedroom is located under the living room table. xia liu is the guardian of the entrance to the ghostly dimension, mie (滅). he may be senile, but he is also the most powerful member in the family: that is before xia tian becomes the superior member. his lack of memories is sometimes part of what made the show interesting. this old man may be stubborn, but is also kind-hearted. and farts when something upsets him.