Filia Medici is a main character in the game and anime adaptations of Skullgirls. Once an ordinary schoolgirl, she loses her memories and is merged with a parasite named Samson, giving her unique powers and transforming her hair into a living weapon. Throughout the story, Filia struggles to uncover her past while navigating conflicts with other Skullgirls, all while learning to coexist with Samson. Her journey is central to the unfolding plot and themes of identity and transformation.