Izuru is shown to be quite silent at times, acting responsively only when he finds it necessary. Instead, he often observes other people and situations silently with no changes in his facial expressions, often without being noticed by other people. Izuru has very long, flowing black hair. His hair is usually smooth, though it's also been portrayed as messy. He has red eyes with symbols resembling target radars running across his pupils. He has pale skin. Which sometimes looks pure greyish white.