The six Mainzelmännchen Anton (brown hat), Berti (yellow hat), Conni (blue hat), Det (white hat and glasses), Edi (red hair and no hat) and Fritzchen (black hair and no hat) are known in Germany as cartoon breaks between comercials on the TV station ZDF.
First time they appeared on TV was April 1. 1963.
The Mainzelmännchen can be seen around the sides of the bus.