Kokichi is a young man with an innocent look and a rather refined face. He has a short stature, a thin build, and very pale skin. He has purple eyes and moderately long, wavy blackish purple hair, with the tips dyed a brighter purple. Kokichi describes himself as an evil supreme leader, and often claims that this title is the reason behind many of his questionable actions as if he is expected to fulfill his role. He is an elusive and manipulative person who unabashedly tells lies.