Kiteretsu Daihyakka

A young boy named Kiteretsu, known for his scientific talents, has created a robot named Korosuke. Together with his friends and the robot, he uses a time machine to travel through time. Miyoko, a girl from his neighborhood, is close to him. Tongari is his rival, displaying characteristics similar to another character, Suneo Honekawa. Kaoru Kumada, known as Buta Gorilla, is a neighborhood bully who shares traits with another character, Takeshi Goda. He often targets Korosuke, despite being in the same grade school.