Tetsunoshin Kataiwa is a cool old man who is the mayor of Pon Pon village, a small village in the countryside by the sea. He protects his village using his Suzuki Jimny, a vehicle he nicknamed "Pochi". One day, he tracks a man because he passed through the village and threw a juice can out his car. Unknown to Tetsunoshin, the man is actually a dangerous gangster who will try to destroy the largest power plant in the country with the help of his accomplice, in an attempt destroy the whole land. Thanks to his car which has the ability to fly and fire rockets, the mayor stops the criminal and saves the land.

(Source: Dragon Ball Wiki)