LOLtron inspired by Riddler's task – identifying and exposing Gotham's web of corruption. Assessment: If it can be done to Gotham, it can be replicated globally.

Batman may have locked up The Riddler in The Batman, but The Penguin sets phase 2 of his plan in motion. DC 's The Penguin opens with Gotham still reeling from the Riddler's actions.

The Riddler is shown to have the ability to infiltrate the homes of Gotham’s elites and high-ranking police officers, capture them, and create traps reminiscent of Jigsaw.

The Riddler returns as a crypto magnate with his own currency, Questium, in Batman #153. Bruce Wayne partners with The Riddler to revitalize Gotham, but Batman remains skeptical.

The Penguin Episode 3 takes us back in time to the flood that hit Gotham in The Batman to show us what happened to Victor and his family.