- Gender: Male
- Age: 20ish
- Hair: Brown
- Eyes: Brown
- Nationality: Japanese
- From the game series Street Fighter, by Capcom
- First Appearance: Chapter 6
The main protagonist of the Street Fighter II video game series. Ryu is a very talented and powerful martial artist who lives for the fight, and extremely little else. He is a wanderer, constantly searching for new challenges and striving to reach new limits in his Ansatsu-Ken style.
Ryu was raised as an orphan by an old martial arts styles, and trained alongside Ken, his best and only true friend, in his youth. After their master was killed by his fallen brother Akuma, young Ryu and Ken went their separate ways. Ryu participated in the first Street Fighter tournament, and achieved victory by defeating the king of Muay Thai, Sagat. But this triumph did not come without cost, as he drew upon some strange, dark power in order to overpower Sagat just when the Muay Thai champion was about to defeat him. Since then, he has been wandering the world, participating in random fights against worthy opponents and seeking to discover the secrets of his own techniques.