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: Gundalian Invaders. In Bakugan: Mechtanium Surge, she has become the current Queen after her older sister Serena Sheen stepped down to become Neathia's Ambassador.