When was Klaus Mitffoch created?

There's no known individual or character named "Klaus Mitffoch." It's possible you're thinking of a different name or made a typo.

Could you please provide more context or information about this name? For example:

* Where did you encounter this name? (a book, a movie, a game, etc.)

* What is the context surrounding this name? (a character's name, a brand, a fictional place, etc.)

With more details, I can help you figure out what you're looking for.