Fabia Sheen (ファビア・シーン Fabia Shīn), now known as Queen Fabia, is the former Princess of Neathia and was the Haos Brawler for the Battle Brawlers. In Bakugan: Mechtanium Surge, she has become the current Neathian Queen after her older sister Serena Sheen became an ambassador of both Neathia and Gundalia.