Uzuki was initially portrayed as cold-hearted, being able to wipe a quarter of the assassins in Japan in cold blood. He has no problem casting aside his morals to reach his goals. However, he is very friendly and shows a caring side to his subordinates. He is very calm and collected even when put into life or death situations. He is extremely confident in his skills, even going as far as challenging The Order. He believes he is a necessary evil.