Although it has been heavily rumored for quite some time, the folks at Warner Brothers Home Entertainment have finally gone and made it official: not only will Mark Hamill be reprising his role as the voice of the Joker in the upcoming animated adaptation of Alan Moore and Brian Bolland’s classic graphic novel The Killing Joke, he’ll also be joined by veteran voice actor Kevin Conroy as Batman.

Also formally announced for the film are Tara Strong as Batgirl/Barbara Gordon, and Twin Peaks‘ Ray Wise as Commissioner James Gordon. Right after the big announcement was made, Hamill tweeted the first image from the upcoming film three times—each time with a quote from the original graphic novel and one additional word, eventually spelling out the title THE KILLING JOKE.

THE “All it takes is one bad day to reduce the sanest man alive to lunacy…Just one bad day.” pic.twitter.com/bqzBQPIhOw

— Mark Hamill (@HamillHimself) March 14, 2016

KILLING “Remember there’s always madness… Madness is the emergency exit” pic.twitter.com/hEvNRaxL6e — Mark Hamill (@HamillHimself) March 14, 2016

JOKE “If I have to have a past, then I prefer it to be multiple choice” pic.twitter.com/o1ZybkvTwa

— Mark Hamill (@HamillHimself) March 14, 2016

Both Hammil and Conroy have a long history voicing these characters, going back almost twenty-five years. They both began playing their respective roles on Bruce Timm’s now classic Batman: The Animated Series, and continued on through Batman Beyond, Justice League Unlimited, as well as several of the Arkham Asylum video games.

Although at first it was rumored that The Killing Joke would be their last time together as Batman and the Joker, that appears to not be the case, as both actors are signed on to play the roles again for the upcoming Justice League Action series on Cartoon Network.

Batman: The Killing Joke is set to premiere at this year’s San Diego Comic-Con, and will release in stores on Blu-ray and DVD in the summer of 2016. Are you as excited as we are to see Hamill and Conroy return as the Clown Prince of Crime and the Dark Knight? Let us know you thoughts in the comments below.

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HT: Comic Book Resources, Mark Hamill

IMAGE: DC Comics