Though at least he's learned how to do his own buttons by the time the school arc comes around.
Similarly to one, he fulfils the role of being small yet vastly underestimated and dangerous. He is known as the Queen's Watchdog due to being the one she sends out for major cases, and has been called a chihuahua in the anime. Plus, he himself seems to view himself as an "extra" and his past as the asthmatic, weaker twin seems to have had an effect on his confidence and self-worth as a human being.