Planko Puuchen

He is a mouse expert and the grandson of the Marquis of Puchen. He travels alongside Pai'yan and Toraji, where his knowledge on mice is indispensable. He is very passionate about his research and shows a strong curiosity about new phenomena he encounters. He likes to write poetry and eat good food. He even has a column in the Ham-Newspaper called, "Pu-sama's Gourmet Travel Diary". While he claims to be unpopular, he has many acquaintances who are willing to help him out. He has a fiancée named Milo, who he prefers not to talk about.