Kcalb is known to be rather temperamental and easily flustered, often enraged over trivial matters. He is described as "outrageously shy" and very introverted and quiet in most situations. His shyness can be curbed by a large enough threat, evidenced through an aggressive manner. His shyness can also be curbed by alcohol, and he is not conscious of his actions after getting drunk as shown in a mini-comic