One of most intriguing elements of The Joker - beyond his deeply disturbed personality and penchant for the dramatic - is the character's ability to become iconic in multiple forms.
While Batman has largely been defined by his costume, with the actors taking on the role proving surprisingly replaceable, The Joker has, over multiple incarnations on the page, on the small-screen and in cinemas, been near-constantly redefined, and become legendary in almost every guise. Jack Nicholson's Joker back in 1989's Batman? Iconic. Heath Ledger's Joker in 2008's The Dark Knight? Iconic. Jared Leto's Joker in next year's Suicide Squad? Already borderline iconic, and we've only seen about three seconds of footage.
Intriguingly, in fact, one of the most iconic takes on The Joker wasn't actually in live-action form at all - but in Batman: The Animated Series. There, Mark Hamill practically burned his portrayal of the Clown Prince of Crime into our collective cultural psyche, becoming even more of a legend in the process.
The even more interesting part, though? He wasn't the only one to emerge from that series an icon.
Y'see, while Michael Keaton may have pioneered the gravel-voiced Dark Knight back in Batman...
...it was in many ways Kevin Conroy's vocal performance a few years later in Batman: The Animated Series that consolidated the Caped Crusader's on-screen portrayal as being gruff, deep-voiced and endlessly serious.
So, when news broke recently that Mark Hamill will, it seems, be returning to voice The Joker in the forthcoming animated movie Batman: The Killing Joke, it was perhaps inevitable that someone would soon ask:
Will Kevin Conroy Be Returning as Batman?
Well, it's still very much unconfirmed, but it sounds as though Conroy is more than willing. As he told ComicBook.com, when asked whether he'd be happy to return for The Killing Joke:
"Oh, God! Are you kidding me? I'd do it in a heartbeat...I love working with him (Hamill)...I would love to do it, and I hope that that happens."
Which, seeing as the show looks set to be a distinctly nostalgic take on the Dark Knight - what with it being an adaptation of a classic '80s comic-book, and already having brought back Hamill - would make a whole lot of sense.
The only question now? Will Conroy actually be invited back...
What do you think, though?