Vivio (ヴィヴィオ Vivio) is a mysterious young girl sought after by Dr. Jail Scaglietti in Magical Girl Lyrical Nanoha StrikerS. She turns out to be a clone of Saint King Olivie Sägebrecht created by Scaglietti, as she is intended to be a vessel for The Saint's Cradle. She is also the heroine in Magical Girl Lyrical Nanoha ViVid.