Po is presented as a person who loves silence and very often his only companion can be only his pet named Carl. Most often, he appears to be very calm and friendly towards Ranpo, who solves all the riddles that Edgar asks him. According to him, there is only one thing in the world that deserves admiration, and he means Ranpo's "over-deduction". When Edgar But the only thing that captivated Edgar as much as Ranpo's mind was his future girlfriend, whom he saw on the street with a fleeting glance.