Mesousa is a timid and often anxious rabbit-like character in the anime series 'Pani Poni Dash!'. He serves as the pet and occasional comic relief in the class taught by the young genius Rebecca Miyamoto. Despite his constant expression of worry and pessimism, Mesousa is endearing and beloved by the students. His role in the series often involves getting caught in humorous predicaments, and he is symbolic of the quirky and surreal humor that characterizes the show. Mesousa's interactions highlight the eccentricities of the world around him, providing both laughs and empathy.