Ichiro Yamada is a charismatic and dedicated leader of the Ikebukuro Division's Buster Bros!!! in the multimedia franchise Hypnosis Mic: Division Rap Battle. As the eldest of the Yamada brothers, he takes on the responsibility of caring for his siblings, Jiro and Saburo, while nurturing their talents. Ichiro has a passion for rap music and is fiercely protective of his family and friends. Known for his strong sense of justice and unwavering determination, he often serves as a source of motivation and strength for his team in their rap battles.