Rengoku is a very happy, kind, funny, strong and cute guy, he have a long and yellow hair that fades to orange, and orange/yellow eyes. He likes to eat a lot, he's always smiling and laughing. He's the current Flame Hashira, he uses Flame's breathing style. Muichiro is very quiet, zonned out, he likes to stare at the sky and he forgots almost everything, he's very strong. He's the current Mist Hashira, he uses Mist breathing style. Muichiro have long black hair that fades to blue, and blue eyes.