Ryu Hayabusa is an enemy who appeared in the Contrabobo level.
Ryu Hayabasa is the main protagonist and playable character of the NES game, Ninja Gaiden, along with two squeals on the same console.
In The Game
Ryu Hayabusa is later seen in Contrabobo, as a regular enemy running on a length which Abobo has to defeat. Ryu's only attacks are throwing ninja blades at Abobo.
Ryu Hayabasa makes an another appearance in a cutscene along with Link, the Eggplant Wizard, Nana and Black Mage when Abobo and his recused son Aboboy start to murder NES characters after the final battle with Little Mac is done.