Fan Casting Penny Fleck in Joker: The Arthur Fleck Story

Apart from what few friends he has, Arthur Fleck only feels loved by his own mother, Penny Fleck, who has been the only one taking care of her son after his abusive father, Dean Fleck, was taken to Arkham Asylum and later died there. But after killing Randall, Javier, and Gary, Arthur goes to his mother at the Gotham state hospital and kills her by violently bludgeoning her across the head with a crowbar.