Also known as: 響良牙
Important character from Ranma 1/2.
He and Saotome Ranma are rivals. Ryouga is also an martial artist and turns into a small black pig (P-Chan (Ranma 1/2)) whenever he gets wet with cold water. Loves Tendou Akane and Unryuu Akari. Loved by Unryuu Akari.
Voiced by Yamadera Kouichi.