It depends, probably Max Müller or Hans Müller, just anything Müller. Unlike the US, we don’t normally use a real name as placeholder name [0], the options ther

It depends, probably Max Müller or Hans Müller, just anything Müller. Unlike the US, we don’t normally use a real name as placeholder name [0], the options there would be Max or Erika Mustermann (literally example or pattern man), for an average person it’s Otto Normalverbraucher (Otto Average-Consumer) and Lieschen Müller. [0]: https://en.wikipedia.org/wiki/Placeholder_name https://en.wikipedia.org/wiki/Placeholder_name