A livewire who, in his zealous eagerness to be a retainer worthy of the great Malleus, often expends a great deal of energy to accomplish very little. He views his fellow countryman Silver as a rival. 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. Sebek greatly respects Malleus and Lilia.