Corporal Sturmer was a German Army soldier hired by Henry to keep the common rabble away from Bianca's Cabaret, and maintain order. In exchange, Henry would offer Sturmer and his men free drinks. Henry described Sturmer and his men as "thugs".

The appearance of the Sixth Doctor and Iris Wildthyme at the club was greeted by Sturmer with suspicion. Heviewed them as capable of generating a tremendous amount of trouble — especially Iris. The ensuing events showed that Sturmer had been possessed for some time by the shadow faction of psychic worms occupying the nightclub.

Sturmer survived the destruction of the club and presumably returned to other duties in 1930s Berlin, free of any possession. (AUDIO: The Wormery)

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