Jack Nicholson was already a major star ... from both the box office and merchandising revenues from "Batman," Nicholson set a new precedent for big-name performers moving forward.

Grissom's right-hand man is Jack Napier (Jack Nicholson), a brutal man who is not entirely sane... After falling out between the two Grissom has Napier set up with the Police and Napier falls to ...

Warning: Spoilers for Batman '89: Echoes #5!Jack Nicholson's Joker might be jealous ... a prime-time TV hosting spot is enough to finally set her off. With a flurry of Arkham Asylum inmates ...