Arthur Fleck, later known as the Joker, is a failed comedian who, following his great lack of success and respect, loses his mental stability until he becomes a nihilistic, sociopathic killer calling himself Joker, aiming himself to make Gotham smile in his way. The man who would later be known as the Joker was born to unknown parents before being allegedly adopted in Gotham City by Penny Fleck and an unknown father. When he was raised by his adopted mother and her boyfriend, they were abusing h
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