Anger box (DS)

You are an angry pet and DS put you in a box. Shinobu Rengoku Tanjiro Nezuko Mitsuri Obanai Giyu Sanemi Inosuke Kanae Kanao Zenitsu Aoi (As first reply, say your name, what kind of animal, how big and how old, what colours if you want to be complicated, and you can transform into human if you want to be able to)