1) Fictional karateka 2) Fictional murderer 3) Tekken guest character 4) Video game boss 5) Video game mascot 
[Street Fighter] Akuma (in Japanese, `Devil` or `Demon`) known in Japan as lit. `Great Demon`, is a fictional character from the Street Fighter series of fighting games by Capcom. Akuma made his debut in Super Street Fighter II Turbo as a secret character and hidden boss. In the storyline of the Street Fighter video games, he is the younger...
Demon.
devil, Satan