Joh and his son Freder

Joh is the father of Freder. He was the mastermind of metropolis.

Joh is already old to be a mastermind. One day rotwang gave a model or a statue from his lab but Rotwang forbidden to look at his model. Joh had a mistakes given to his assistants at the tower of babel.

"Off where they belong Off where they belong freder"

-Joh Frederson's words

At the last part Joh was shocked on Freder.