Aiko Seno is a fictional character from the anime series Ojamajo Doremi. She is one of the main characters and is known for her tomboyish personality and strong sense of justice. Aiko hails from Osaka and often speaks in a Kansai dialect, which adds a unique charm to her character. She is a loyal friend and often provides emotional support to her peers. As a witch apprentice, Aiko is determined and hardworking, balancing her magical training with her responsibilities at home. Her character adds depth and warmth to the series, making her a beloved character among fans.