That was the air of mystery behind him
he was called The Joker because of the The Joker Playing Card he left as his calling card. Some people didn't get the idea that he changed his story about how he got his facial scars and thought it was a continuity error, but instead it illustrated that The Joker didn't want people to know his back-story and he makes it up as and when it suits him.
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maiden is filmed before a live studio audience, Fri 13 Jul 2012, 8:38,
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