Sikios is a very mysterious man and has a heart of both light and darkness. Sikios is actually a demon but he looks very human. Sikios has long green hair, tattoos all over his body, and pale green skin. He wears a ninja-like mask, and he also wears a black cowboy-like hat. Sikios is also a bounty hunter and a very skilled marital artist. Sikios was rumored to be created from the dark emotions in Knowledge’s heart and so that makes him kind of Knowledge’s other half. Sikios is basically an anti-hero and he picked what side he wants to work for.