Epsilon was practicing sword fight when he was young, but learned magic from Lambda. Ever since, he and Upsilon, his brother, were sparring and eternal rivals. Upsilon was better at sword fighting than Epsilon, but Epsilon was better at magic. After joining Psi and his brothers as pirates, they became wanted but bet with Arion, the underworld spirit to get rid of their notoriety, but lost, and had their spirits gone. They got freed by Psi and his brothers later.
Music: https://www.youtube.com/watch?v=6_2ewTVSJ3E&list=PLpXnJosOQVEuetP68xZxROFhyMDKaeLiv&index=20 Left is Upsilon. The brown thing is his sword. Right is Epsilon
