Count Slaine Saazbaum Troyard|スレイン・ザーツバルム・トロイヤード 伯爵|Surein Zātsubarumu Toroiyādo-Hakushaku, born Slaine Troyard|スレイン・トロイヤード|Surein Toroiyādo}}, commonly referred to as Count Troyard|トロイヤード 伯爵|Toroiyādo-Hakushaku}}, and occasionally Lord Troyard|トロイヤード 卿|Toroiyādo-Kyō is one of the main characters of the ALDNOAH.ZERO television series. He holds the title of Count as a member of the Orbital Knights. He pilots the Martian Kataphrakt Tharsis.
- Instead of being the 'villain' like in Aldnoah Zero, Slaine will be the hero in Cami's Adventures series. He will also be Cami's potential love interest.