ワンニャー, Bowmeow
Wanny also known as Baumiao is a babysitter pet from Planet Otto who is entrusted to take care of Luu and is a catlike alien who can transform into all sorts of human beings often a blondhaired man dubbed Mitarashi Dango who was actually once the subject of Mikans affection and all forms of animals and objects. He develops a passionate liking for dumplings and often writes about the events of the progressing day in his computerized nanny diary. Wanny often does all the cooking and cleaning in the house. Wikipedia