Written by coream at 2/26/2009 12:00:00 AM MP3 player inspired by a popular cartoon character in Korea, the Mashimaro... Mashimaro is fictional character who resembles a fat rabbit. He is also known as Yupki Tokki, "Weird Rabbit" in Korean. It debuted in a series of Flash animations on the internet and its merchandise can be found on the internet and in Korean communities around the world.