This black, round monster with pink hair, eyes, and a mouth in the form of stripes is called Dub and he is the main villain in the Pink Corruption of the popular music game Just Shapes and Beats. Dub is the vile monster responsible for the titular virus that started to spread throughout the land. Dub also has a ragged pink cape and a guitar that he plays great. The game cursor for a mouse called Just Shapes and Beats Dub and Guitar!