Robotan (character)

Robotan is a robot and a friend of school boy Kan-chan.Robotan always helps ken with his instruments with in him like

Robot copter,robot punch etc.He has rival Bocchi a kid which dislikes him.He has a crush on his teacher Ume.Robotan is fond of bananas which gives him power.He has a crush on Maririn later who is an aien robot which he doesn't know.