Nato/a il February 8, 1914 · Denver, Colorado, USA
Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Il cavaliere oscuro | 2008 | |
| Creator | Il cavaliere oscuro - Il ritorno | 2012 | |
| Writer | Il cavaliere oscuro - Il ritorno | 2012 | |
| Writer | Joker: Folie à Deux | 2024 | |
| Writer | Batman - Il ritorno | 1992 | |
| Writer | Batman & Robin | 1997 | |
| Writer | Batman: The Killing Joke | 2016 | |
| Writer | Batman Ninja | 2018 | |
| Writer | The Death of Superman | 2018 | |
| Writer | Scooby-Doo! & Batman: Il caso irrisolto | 2018 | |
| Writer | Batman vs. Two-Face | 2017 | |
| Writer | Nightwing | 1979 | |
| Actor | Batman & Bill | 2017 | Himself (archive footage) |
| Writer | The Death of Batman | 2003 | |
| Writer | Holy Batmania | 1989 |