Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | El caballero oscuro | 2008 | |
| Writer | Batman Begins | 2005 | |
| Writer | El caballero oscuro: La leyenda renace | 2012 | |
| Writer | Joker: Folie à Deux | 2024 | |
| Writer | Catwoman | 2004 | |
| Writer | Batman | 1989 | |
| Writer | Batman vuelve | 1992 | |
| Writer | Batman y Robin | 1997 | |
| Writer | Batman Forever | 1995 | |
| Writer | Batman: La broma asesina | 2016 | |
| Writer | Batman Ninja | 2018 | |
| Writer | Batman: Capucha Roja | 2010 | |
| Writer | La muerte de Superman | 2018 | |
| Writer | El hijo de Batman | 2014 | |
| Writer | La Liga de la Justicia: El trono de Atlantis | 2015 | |
| Writer | Batman: Año Uno | 2011 | |
| Writer | ¡Scooby-doo! y el intrépido Batman | 2018 | |
| Writer | Batman Vs. Dos Caras | 2017 | |
| Writer | Batman : El Regreso del Caballero Oscuro (Edición Deluxe) | 2013 | |
| Writer | Nightwing | 1979 | |
| Writer | LEGO DC Comics Super Heroes: La Liga de la Justicia - El ataque de la Legión del Mal | 2015 | |
| Writer | Batman: Días extraños | 2014 | |
| Actor | Batman & Bill | 2017 | Himself (archive footage) |
| Writer | The Death of Batman | 2003 | |
| Actor | Legends of the Dark Knight: The History of Batman | 2005 | Himself (archive footage) |
| Writer | La Liga de la Justicia: Desventurados, la película | 2004 | |
| Actor | Riddle Me This: Why is Batman Forever? | 1995 | Himself |
| Writer | DC Super Friends: The Joker's Playhouse | 2010 | |
| Actor | Batman and Me: A Devotion to Destiny, the Bob Kane Story | 2008 | Bob Kane |
| Writer | Batman: New Times | 2005 | |
| Writer | Holy Batmania | 1989 | |
| Writer | James Batman | 1966 |