Pain is the recognized leader of Akatsuki, partnered to Konan, with Tobi acting as his benefactor. He is the principal figure in the tailed beast sealing ceremony. (Source: Wikipedia)

A very serious-minded student in class 1-A whose head resembles that of a crow's. His Quirk, "Dark Shadow" gives him control of a sentient shadow that has a variety of uses, from attacking to defense to support. Within a dark environment, his shadow becomes more powerful but harder to control. Vice versa, if he is in a environment with a lot of light, it becomes easier to control but far weaker. (Source: Wikipedia, edited)