Sebek is loud, hot-blooded, and prideful. Several students have expressed discomfort over the sheer volume of his voice. Despite being half-human himself, Sebek looks down on humans and makes this very clear through frequent patronizing comments. He is blunt and not afraid to express his thoughts, though this often comes off as rude, leading to misunderstandings. However, he is also an honest person, and will openly acknowledge others.