Venosnaker Asakura is the Contract Monster of Kamen Rider Ouja, who is Takeshi Asakura in the series Kamen Rider Ryuki. Venosnaker is a venomous cobra-like Mirror Monster with immense strength and agility, serving as both a weapon and an ally to Asakura. Its role in the series is crucial, as it empowers Asakura in battles against other Riders, helping him execute deadly attacks. Venosnaker's fearsome presence and loyalty make it a formidable force in the Rider War.