Silvia begins her journey as a civilian before embracing her heroic alter ego, Sexy Silvia, upon inheriting a V-Watch from her father, Captain Blue. In her civilian identity, she sports long blonde hair styled in a hime-cut with swept-back bangs, oversized round glasses, and evolves from a sky-blue blazer dress to a pink V-neck minidress across appearances. Her superheroine guise features a sky-blue leotard with a white V-neck collar, a matching helmet adorned with a pink visor, elongated gloves, thigh-high go-go boots, and her trademark glasses. The transformation process lengthens her hair into a dramatic ponytail and amplifies her aesthetic with cinematic dynamism. Initially abducted by villains seeking to flee Movieland, Silvia is rescued by her boyfriend Joe, propelling her into active combat. Reuniting with Captain Blue, she secures her V-Watch and adopts the Sexy Silvia mantle, transitioning from rescued victim to determined co-protagonist. Wielding twin firearms, she employs a Replay ability—triggering triple damage through precise timing—enhanced by crackling electric visuals. Her lineage ties her to Captain Blue as his daughter and to Goldie, her physically identical twin sister who forgoes glasses. Goldie alternates between roles as a kidnap target and a romantic interest for Alastor in select storylines. While Silvia and Joe forge a battle-tested alliance, some iterations humorously depict her rebuffing his flirtations, a dynamic omitted in the English anime adaptation. Beyond core narratives, Silvia appears in crossover titles such as *Tatsunoko vs. Capcom* and *Marvel vs. Capcom 3*, aiding Joe in hyper combo sequences. Spin-offs like *Viewtiful Joe: Red Hot Rumble* showcase alternate costumes referencing other characters. The director-confirmed counterpart Silvianne Lumiére in *Wonderful 101* mirrors her design and combat style, anchoring her within a broader interconnected universe.