Gokuu
The protagonist of the story, sharp and nasty, but also loyal and righteous. He dresses with a red kimono and always goes around with his beloved magic wand given to him by the father of Tatsuko, and travels on a golden cloud that allows him to fly at supersonic speed.
Gokuu is based on Sun Wukong, the monkey king of legend, from the Chinese classical novel, Journey to the West.