TV-Series
Description
Billy Miller is a character from the anime Inazuma Eleven Ares no Tenbin who serves as a defender for the Tonegawa Tosen middle school soccer team. He is a first-year middle school student in the seventh grade and is recognizable by his medium stature, short and messy red hair, brown skin, and large brown eyes. His determined and spirited appearance matches his personality on the field.

Billy is a player who built his school's soccer club from nothing through pure grit, yet he never loses sight of the joy of the game. This background reveals a character driven by passion and hard work rather than innate talent or external recognition. He is not the captain of his team, but he plays a vital role in its defensive lineup. As a defender, his primary responsibilities involve stopping opposing attackers and initiating plays from the back.

Within the story of Inazuma Eleven Ares, Billy's team, Tonegawa Tosen, is a formidable opponent that reaches the semifinals of the Football Frontier tournament. It is in this semifinal match against the main character team, Inakuni Raimon, where Billy demonstrates his most notable abilities on the field. He is a remarkably agile player with impressive dribbling skills, capable of weaving past multiple opponents in rapid succession. During the semifinal, he showcases his offensive prowess by launching a bicycle kick shot on goal, demonstrating that he is not purely a defensive player but one who contributes to the attack as well. Despite his efforts, the opposing goalkeeper manages to stop his shot. Later in the same match, with the score tied, Billy finds himself in a critical one-on-one duel against Trevor Cook, the opposing team's libero. Billy nearly succeeds in getting past him but ultimately loses the duel. Tonegawa Tosen goes on to be defeated by Inakuni Raimon, resulting in their elimination from the tournament.

Billy's key relationships are primarily with his Tonegawa Tosen teammates. He is notably encouraged before the semifinal match by his team's captain, Mark Evans. After his team's loss, Billy is later seen watching the tournament final alongside his captain and two other prominent teammates, Jude Sharp and Axel Blaze, indicating a sense of team solidarity even after their elimination. Another significant relationship is with Trevor Cook, the libero who bested him in their crucial duel. This rivalry is not purely antagonistic, as the two later become roommates at the Kawaguchi Sports Center when they are both selected to represent Japan, suggesting a mutual respect born from their intense competition.

Billy Miller shows a quiet development through his experiences in the high-stakes matches of the Football Frontier. Though he does not undergo a dramatic personality shift, his performance against Inakuni Raimon highlights his growth as a player who can compete at a national semifinal level, pushing a team with a legendary goalkeeper to its limits. His journey from building a club from nothing to standing on the semifinal stage, and later being selected for the national team, underscores his development as a resilient and skillful defender. Among his notable abilities, besides his rapid dribbling and acrobatic shooting, he is also known for his physical and tactical intelligence, with official records rating his intelligence and physical conditioning as standout attributes among his peers. His playing style and position have earned him the nickname the Miracle Libero.