Shii Tanaka is a fictional character often associated with the Japanese internet forum 2channel (2ch). She is depicted as a gentle, shy catgirl and has become a popular mascot within the 2channel community. Shii is most famous for her appearance in the 'Shii's Song' meme, which spread across various online communities. Her role is largely emblematic, representing the softer and more emotional side of internet culture on 2channel, and she is often used in emotive or empathetic posts.