Writing

—

… Characters

2026

… Characters

2024		Joker: Folie à Deux … Characters
2024		Justice League: Crisis on Infinite Earths Part Two … Characters
2024		Justice League: Crisis on Infinite Earths Part One … Characters

2023		Merry Little Batman … Characters
2023		Scooby-Doo! and Krypto, Too! … Characters
2023		Justice League: Warworld … Characters
2023		The Flash … Characters
2023		Legion of Super-Heroes … Characters

2022		Batman and Superman: Battle of the Super Sons … Characters
2022		DC League of Super-Pets … Characters
2022		The Batman … Characters

2021		Batman: The Long Halloween, Part Two … Characters
2021		Batman: The Long Halloween, Part One … Characters
2021		Zack Snyder's Justice League … Characters
2021		Batman: Soul of the Dragon … Characters

2020		Batman: Death in the Family … Characters
2020		Justice League Dark: Apokolips War … Characters

2019		Joker … Characters
2019		Teen Titans Go! vs. Teen Titans … Characters
2019		Batman vs Teenage Mutant Ninja Turtles … Characters
2019		The Lego Movie 2: The Second Part … Characters
2019		Reign of the Supermen … Characters

2018		Teen Titans Go! To the Movies … Characters
2018		The Death of Superman … Characters
2018		Batman Ninja … Characters
2018		Scooby-Doo! & Batman: The Brave and the Bold … Characters

2017		Justice League … Characters
2017		Batman vs. Two-Face … Characters
2017		Batman and Harley Quinn … Characters
2017		The Lego Batman Movie … Characters

2016		Batman: The Killing Joke … Characters
2016		Batman v Superman: Dawn of Justice … Characters
2016		LEGO DC Comics Super Heroes: Justice League: Cosmic Clash … Characters

1976

… Writer

1968

… Writer

1967

… Screenplay

1965

… Characters

Acting

2017

as Self (archive footage)