He's NOT a pirate, but a privateer. He's been chasing Phi, Psi, and Chi, but eventually got defeated by them. He lost his memory, but gained it back when he has 16. Then, he fought and defeated Phi, Psi, and Chi.
Music: https://www.youtube.com/watch?v=spFmFxJcCvA&list=PLpXnJosOQVEuetP68xZxROFhyMDKaeLiv&index=23
