Alexios (Greek: Αλέξιος) and Kassandra (Greek: Κασσάνδρα) are two interconnected fictional characters in Ubisoft's Assassin's Creed video game franchise, first appearing as the player characters of the 2018 video game Assassin's Creed Odyssey. Alexios and Kassandra are portrayed through performance capture by Michael Antonakos and Melissanthi Mahut respectively.