Physical Description: Despite a first appearance he only has two eyes. The eye-like thing between his eyes glows brightly showing his life force. He is large yet not particularly muscular.
History: He does not remember much about his time before he came to Earth. He remembers a period when he learned many things like that he was taught about the planets, constellations, and other things pertaining to space. He also remembers that he was sent here for a reason but can't think of what the reason was. Now he just travels around, maybe hoping to recover what he lost.
Personality: Pretty friendly to a point and likes to think ahead. He isn't angry often but it doesn't take a whole lot to make him so. Sigma puts his own life above everything else. In his mind, nothing is worth dying for.
Other: None
Helper Name: Zeta
Species: Horned Desert Viper
Gender: Female
Personality: She can be dark at times but she has a relatively nice persona.