neo jokerHistory. The Joker's exact orin is a mystery, barring that Batman was somehow involved. He revealed a possible story to Dr. Harleen Quinzel in Batman: Arkham Orins and to ProfessorNeo Joker . Overview; Comics; Contributions. Submit Corrections Submit New Persona. After Harley Quinn left The Joker, Marian Drews snuck her way into the Joker's life by imitating Harley Quinn. The Joker didn't even notice that