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230 court appearances in a series of rows with bureaucrats and petty officials.

Retired teacher Dieter Koehler, 73, was this week jailed for swearing at magistrates 66 times while he was fighting a court case about an earlier spat.

The grumpy pensioner - who quit teaching because he couldn't stand children - has broken all legal records in Germany where his fights with officialdom have turned him into a local hero in Hamburg.

In court he referred to the magistrates as "the idiots" and told them they were wasting public cash by being "a bloody lazy bunch of layabouts