He is Frank Rogers’s best friend, assistant and is a partner of Frank Rogers. Sometimes, he isn’t able to match Frank’s deductive skills. His personality is that he’s philosophical, nice, honest and is pro-active. He used to live in London, England in the U.K., but then, after he saw Frank solve a case at the Sherlock Holmes Museum, he is now currently living in the U.S.A. with Frank to team up with him to help solve cases. He has a vlog on the internet where he showcases all of Frank’s mystery cases. He used to be in the British Army. He is the deurtagonist of the series. In “The Detective Gang vs. L.O.V.E.”, when Leonard gets shot by a L.O.V.E. member Frank decides to avenge him and to destroy and to kill all members of that organization. He was a physician back in the British Army. As of the series finale movie, “The Detective Gang vs. L.O.V.E.”, he is dead. In the 1st season, he was 13 years old. In the 2nd season, he is 14 years old. He is 15 years old in the 3rd season there along with in the series finale movie.