Kenma usually has a quiet, composed and analytical personality. He rarely loses his temper, and usually does not get too excited or fired-up about most things; with a few exceptions being video games, Hinata, Lev - in The Arrival of Haiba Lev (OVA), and Yamamoto during their first year in high school. Kuroo the captain of the volleyball team is his best friend, he also plays volleyball as their setter. His jersey number is 5. His birthday is on October 16 and he is currently 17 years old.