Gouji Rokkaku

Gouji Rokakku is the main antagonist in the Jet Set Radio series.

History
In the first game series, Rokakku searches for a record called the Devil's Contract  and kidnaps Coin to getbut fails due to the GGs interference. He was presumed dead by the GGs as his building was destroyed during the battle. But, Rokakku was revealed to survive the explosion and is still well.

In Jet Radio Future, Gouji Rokakku is the chairman of the Rokakku group, a business organization and take over several districts in Tokyo and Rokakku eventually becomes mayor. At his new position, Rokakku eliminated freedom of speech and oppresses the citizens of Tokyo. He makes his branch of police officers to arrest those that try to express themselves.

After the GGs defeated the police force, Rokakku kidnapped Professor DJ and broadcasts a signal to the city fto meet in the Shibuya Terminal while playing a creepy music. He tells them wipe their simile of their face and absorbs them in the tower. Rokakku eventually turns into a giant monster and fights the GGs. The GGs managed to take him down and destroys the Rokkaku's tower. Rokkaku dies in the explosion presumbly once and for all.