Yuuri Katsuki is the protagonist of the anime series 'Yuri!!! on Ice.' He is a talented Japanese figure skater who struggles with anxiety and self-doubt after a string of losses. With the support and coaching of Victor Nikiforov, a legendary Russian skater, Yuuri works to regain his confidence and achieve his dream of winning the Grand Prix Final. Yuuri's journey explores themes of perseverance, self-acceptance, and the transformative power of love and mentorship.