Ryu (リュウ or 隆 Ryuu?) is one of the main characters of the Street Fighter fighting games as well as the franchise's lead protagonist. Ryu has made an appearance in every Street Fighter game, as well as in almost every crossover fighting game to feature Capcom characters.
Ryu has become one of the most famous character in the fighting game genre, starring in early fighting games such as Street Fighter and starting to become popular in Street Fighter II, where he was considered a "basic" character. He, along with Mega Man, is considered one of Capcom's unofficial mascots.