Symboli Rudolf, esteemed as "The Emperor," commands significant authority and respect as student council president of Tracen Academy. Trained from childhood under her parents in leadership and rulership, she embodies a profound sense of responsibility and a vision to forge a world where all Umamusume achieve true happiness, driving her actions as a model figure. Her imperial presence is marked by long dark brown hair featuring a distinctive white streak swept left in her bangs, reminiscent of a crescent moon and earning her the childhood moniker "Luna." Standing 165 cm tall with magenta eyes, her signature racing attire is a dark green ensemble with gold accents and a red cape, adorned with seven medals commemorating her real-life counterpart's seven Grade 1 victories. A silver earring with jade graces her right ear. Off-track appearances include a red kimono, Western-style suits, a Christmas tree costume, and casual wear like a green blouse with glasses. Rudolf's personality blends regal dignity with approachable quirks. While deeply serious, fair, and committed to her duties, she contends with loneliness stemming from her intimidating aura, which hinders casual friendships. To connect, she frequently attempts puns and jokes, often leaving others perplexed. Despite this, she radiates warmth towards juniors, consistently brings souvenirs for the student council, never forgets a face, and secretly delights in perfectly stamping documents. Her relationships are multifaceted. Her real-life daughter and in-game junior, Tokai Teio, adores her yet reacts blandly to her puns; Rudolf openly dotes on Teio, offering ready support. Within the student council, she relies on Air Groove as vice president and recruited Narita Brian. Rivals include Mr. C.B., the preceding Triple Crown winner, and Katsuragi Ace, who defeated her in the 1984 Japan Cup. She admires Oguri Cap's crowd-inspiring ability and maintains connections with figures like Tsurumaru Tsuyoshi (another real-life son) and Maruzensky. In racing, Rudolf excels in medium and long turf distances, favoring Pace Chaser and Late Surger styles. Her unique skill, "Behold Thine Emperor's Divine Might," activates on the final straight after overtaking three rivals, granting significant speed. Beyond the track, she demonstrates mastery in chess and professional-level archery, capable of hitting moving targets while running up a waterfall. Her background is defined by relentless effort proving her worth, culminating in Triple Crown victories (Satsuki Sho, Japanese Derby, Kikuka Sho) that cemented her legendary status. Despite acclaim, she grapples with isolation, using humor to bridge connections. In spin-offs like the "Cinderella Gray" manga, she appears as a retired racer mentoring new talents, underscoring her enduring role as a guide. Trivia notes her seven G1 victories, ears pricking up when crafting puns, and tail bristling during speeches. Her toughest race distance is the 1600m mile due to average aptitude. She maintains a timeless presence at Tracen Academy, seemingly never graduating to remain a constant leader.