Also known as: リィゾ=バール・シュトラウト, 黒騎士シュトラウト
Rizo-Waal Strout is the 6th of the The Twenty-seven Dead Apostle Ancestors within the original setting of Tsukihime.
Known as Black Knight Strout, is one of the oldest three Dead Apostles and is one of Altrouge Brunestud's bodyguards. He owes his immortality to a time curse and he wields a demonic sword named True Demon Neardark(真性悪魔ニアダーク).
He is thought to be "invincible" due to his "curse of time".
Kagetsu Tooya mentions him being Tohno Shiki 's rival in a potential Tsukihime 2.