Akuma and Shin Akuma are characters of a video game, in which both appear in the street fighter series. Akuma as the first version that, as created, Shin Akuma, the enhanced version of Akuma. There are differences between this two-character, Shin Akuma is faster than Akuma, when Akuma shoot one ball, shin Akuma can shoot two balls at the same time.
In their physical appearance, Akuma has red hair, ear pearl beads around his neck, and also a piece of tine and charcoal. Gray dogi around the waist, while on the other hand, shin Akuma has purple Gi, white hairs, and a darker shade of skin. Another difference is that shin Akuma enforces more danger when compared to Akuma, and also shin Akuma travels faster.