He is the first actor to play a DC Comics villain (The Scarecrow) in three consecutive films. Gene Hackman played Superman's nemesis Lex Luthor in three films but did not appear consecutively.
Though he did not get the role of Batman in Batman Begins (2005), he did get to wear the batsuit during an audition with Christopher Nolan.
He used to play in a Frank Zappa-influenced band called 'Sons of Mr. Greengenes' with his brother.
Is an avid fan of video games.
He greatly admires actor Liam Neeson. Looks at him as a surrogate movie dad.