Aster Phoenix believes himself to be a vengeful hero, trying to find the killer of his father. He dueled Jaden, with Elemental Heroes, and Destiny Heroes.
In the Yugioh GX manga, Edo (Aster) is a prodigy from the American duel academy and used the “Vision Heroes”.
A different version of Edo (Aster) appears in Yugiioh Arc V anime as chief commander of the occupation forces in the XYZ dimension.