Mus Rattus is one of the game's 13 brands. It represents the rat in the Chinese Zodiac (Mus Rattus is the former Latin name of the Black Rat, as nowadays it is called Rattus Rattus). Their clothing line features very simple looking and colored hats, shirts, jeans, and accessories, all available at a low price. Mus Rattus pins are cute drawings in bright colors with silver borders around the edge of them. Mus Rattus stores are also the most prevalent, having four different stores all over Shibuya.