Sean Sonus also known as Discord was a criminal Metahuman from Central City who was a drug dealer who killed Central City Police Department Officer Vincent Sobel and nearly killed his partner Dinah Drake. However he was stopped because of The Event of The Particle Accelerator which gave him powers and knocked unconscious allowing Dinah Drake to escape who also got powers as well. He eventually moved to Hub City and became a well known criminal taking command of the crime activity of Hub City after crime lord Tobias Church left for Star City.