A protagonist from Tales of Symphonia, Zelos is the handsome, carefree Chosen of Tethe'alla. Zelos is appointed by the King of Tethe'alla to keep tabs on Lloyd's group while they travel in his homeland. His seiyuu is Onosaka Masaya.
Together with Tales of the Abyss's Jade Curtiss, Zelos hosts a series of omakes entitled Viva! Tales of!