Silvia begins as Joe's civilian girlfriend, captured during a movie outing by the villainous organization Jadow and taken to Movieland. Held as a damsel-in-distress during the first game's main story, she is rescued by Joe. After reuniting with her father, Captain Blue, and learning of future threats to Movieland, she insists on joining the fight. Captain Blue provides her with a V-Watch, enabling her transformation into the superheroine Sexy Silvia. This marks her shift from a passive role to an active participant in subsequent conflicts. In her civilian identity, Silvia has fair skin, pink lips, and long straight blonde hair styled similarly to a hime-cut with swept-back bangs. She consistently wears large, thin round glasses. Her initial outfit is a short sky blue blazer dress with white buttons, a silver-white belt, sheer dark pantyhose, and black pumps. Later appearances show her in a sleeveless pink V-neck minidress, a black belt, white scarf, white fingerless gloves, white heeled go-go boots, and the V-Watch on her right wrist. Her Sexy Silvia superhero costume mirrors her original civilian color scheme. It comprises a sleeveless sky blue skirted leotard with a white V-neck and high neck section, a white belt with a gold buckle, long white gloves, matching long heeled go-go boots, and the same pantyhose. Her hair becomes much longer, tied in a ponytail flowing freely through an opening in the back of her matching sky blue helmet, featuring white edges and a hot pink visor. Her involvement evolves significantly across the series. After debuting as a playable character upon completing the first game's Adult mode, she becomes one of the two main playable characters alongside Joe in Viewtiful Joe 2. Her gameplay mechanics differ, specializing in dual-wielded guns and a unique VFX Power called Replay. This ability records and repeats an action three times in succession, tripling damage output when timed correctly but also tripling incoming damage if interrupted. Electrical sparks manifest during successful Replay execution. She participates in cooperative special attacks with Joe, including the Viewtiful Touch combination move and summoning the Six Machine robot. Key relationships define her: Joe remains her primary romantic partner, forming a battle couple dynamic in later adventures. Captain Blue is her father, reconciling after his initial antagonistic role. Goldie is her identical twin sister, distinguished only by the absence of glasses; Goldie appears primarily in non-canonical game scenarios as a replacement kidnapping victim, later developing a romantic connection with the antihero Alastor. Beyond the main series, she appears in spin-offs and crossovers. She assists Joe during his Six Machine Cannon hyper combo in fighting games like Tatsunoko vs. Capcom: Ultimate All-Stars and Marvel vs. Capcom 3: Fate of Two Worlds. A character named Silvianne Lumiére, also known as Wonder-Cheerleader in Wonderful 101, is confirmed as an alternate version of Silvia, sharing similar weapons and fighting style. A phone call Easter egg in Wonderful 101 confirms an in-universe friendship between Wonder Pink and Silvia. The anime adaptation presents notable divergences. Her superhero identity is renamed "Go-Go Silvia" in the English dub. While broadly following the games' narrative—kidnapped by Jadow, rescued by Joe, and later becoming a superhero—the anime introduces original story arcs. After Jadow's defeat, she receives her V-Watch directly from Captain Blue to combat the new threat Gedow, led by the Black Emperor (later revealed as Joe's father, Jet Black). The anime omits elements like the Rainbow Oscars from the games. Sexy Silvia undergoes substantial development from captured civilian to proactive superheroine. Her abilities, relationships, and visual design are elaborated across games, spin-offs, and the anime, solidifying her role as a core protagonist within the franchise's lore.