We've been hearing rumors that the Riddler might be the villain in Matt Reeves upcoming The Batman reboot, and that Jonah Hill is in talks for the role. This has led to much discussion about the character and his possible role in the upcoming film.

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Of course, the rumors also have us looking back at the Riddler's past adaptations to film and TV over the years. From live-action films and TV shows to animated series and video games, the Riddler shows up almost every time the Batman does, so it's only fitting we take a look at a few of his best and worst appearances outside of the comics.

13 THE NEW BATMAN ADVENTURES/UNDER THE RED HOOD

The Riddler's appearances in both The New Batman Adventures animated series and the feature-length Batman: Under The Red Hood were both unspeaking cameos, but interestingly enough they featured almost the same look for the character, with UTRH taking a more comic accurate approach.

These two versions featured the green bodysuit with purple question marks, though for some reason Riddler in The New Batman Adventures was bald. Both characters worked with themed henchmen in their respective outings as well, but nothing was very memorable about either.

12 THE LEGO BATMAN MOVIE

While the Joker was the main villain in The LEGO Batman Movie, almost every other member of Gotham's Rogues Gallery made an appearance in the film. This version of Riddler doesn't differ much in the visual but added a hilarious voice actor for the part.

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While the Riddler doesn't speak much in the film, he was voiced by the late-night host and comedian Conan O'Brien, which follows the theme of comedians taking on the character for his various adaptations, which we'll see again.

11 BATMAN: HUSH

The most recent animated appearance of Edward Nygma came in the recent release of the feature-length Batman: Hush adaptation, voiced by Geoffrey Arend. Fans were very excited to see this iconic story adapted, though most would end up being disappointed.

The Riddler played a very important background role in the comic, but in the animated adaptation, he was bumped up into the role of the main villain, throwing away his former identity as the Riddler to do so, in a very different take on the original story.

10 THE BATMAN

Nygma got his biggest character redesign ever thanks to The Batman animated series, which ran for five seasons after launching in 2004. The series redesigned almost every villain of Batman's for a new modern age of storytelling and even brought in horror legend Robert Englund to voice the new Riddler.

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Riddler went extremely gothic, and the character now had long hair, pointed features, and a tattered green bodysuit that didn't really work with the physics of reality. His The Batman redesign was possibly the worst of the series, and a stark contrast to the usual dapper villain.

9 YOUNG JUSTICE

Nygma got an updated look for Young Justice, which was based on his more recent look from the New 52 era of the DC Universe. The character now wore a stylish green suit which was emblazoned with a question mark.

The Riddler was voiced by Dave Franco in his earliest appearances, though Jason Spisak would take over voicing the character in later seasons. While the character was considered a joke to the other villains, he is eventually revealed as a key agent of The Light.

8 JUSTICE LEAGUE ACTION

The newest animated series to feature the DC Universe of characters may be geared towards a slightly more youthful audience, but it has still managed to capture some of the magic of the earlier series in the DC Animated Universe.

The Riddler appeared in his E. Nygma, Consulting Detective persona, who often worked alongside Batman and the GCPD as a private investigator. Nygma was voiced by Brent Spiner, who had previously voiced the Joker on Young Justice.

7 BATMAN FOREVER

Riddler hit the big time when he was included in the live-action Batman franchise that began with 1989's film from Tim Burton. Unfortunately, Burton left the series after Batman Returns and Batman Forever took the franchise in a campy new direction.

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Jim Carrey played Edward Nygma/Riddler and was the inventor of The Box, which stole brainpower from Gotham to make him smarter. Carrey was over-the-top and the Riddler was played for comedy, though fans didn't really get a taste of the criminal mastermind they were used to reading in the comics.

6 BATMAN: THE ANIMATED SERIES

The Riddler attempts to fool Batman

While most of Batman: The Animated Series's Rogues Gallery like the Joker or Mr. Freeze were either faithfully adapted or given a fantastic story boost, some villains didn't quite get the respect they deserved from the hit series.

The Riddler may have gotten a fancy new wardrobe and a brilliant voice actor with John Glover, but his characterization felt all wrong, and his few appearances in the series tended to focus more on the deathtraps than Riddler's intellectual battles with Batman.

5 BATMAN: ASSAULT ON ARKHAM

The Riddler Assault on Arkham

The Riddler played a huge role behind-the-scenes in the hit video game franchise that began with Batman: Arkham Asylum. Throughout the games, the Riddler has hidden trophies around the playable areas that require the player to solve using clues and the various gadgets collected by Batman in the game.

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This version of the character made the jump to animation in Batman: Assault on Arkham, which was a Suicide Squad animated feature based on the Batman characters created for the video game. Arkham's Riddler was voiced by Matthew Gray Gubler, though in the game he was voiced by Wally Wingert.

4 BATMAN: THE BRAVE AND THE BOLD

on the flip side, while the Riddler didn't appear that much in Batman: The Brave and the Bold, his character was true to his comic self, and even based on the earliest versions of the character who focused more on conning Batman instead of outsmarting him with puzzles.

Riddler was hilariously voiced by John Michael Higgins, and his costume changed over his appearances. We'd seen the bright green bodysuit before, but he also appeared in a new version of the suit first seen in Batman: The Animated Series.

3 SUPER FRIENDS

Riddler's first animated appearance came during The Batman/Superman Hour animated series. Those character designs would be used again throughout this era on shows like Super FriendsChallenge of the Super Friends, and The Super Powers Team: Galactic Guardians. 

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The Riddler was one of the original thirteen members of the Legion of Doom, who were the villainous rivals of the Justice League. The Riddler was voiced by the legendary Michael Bell, who worked on classic animated shows like G.I. Joe, Voltron, Transformers, Rugrats, and more recently Star Wars Rebels.

2 GOTHAM

While we had seen a few different origins of Edward Nygma across the various mediums, we had never seen it quite like it was presented on Fox's Gotham. The dramatic TV series explored the early days of Gotham when Batman was just an idea in young Bruce Wayne's head, and Jim Gordon had just transferred to Gotham City.

Cory Michael Smith played Edward Nygma on the series, who started out as a forensic scientist with a penchant for puzzles that evolved into one of the most dominating criminal elements on the show, along with his criminal buddy Penguin, played by Robin Lord Taylor.

1 BATMAN '66

Of course, when we think of the Riddler, we can't help but think of his first live-action appearance on the 60s Batman TV show starring Adam West and Burt Ward. The Riddler was brought to animated life by actor and impressionist Frank Gorshin for the first and third seasons, with John Astin forgetfully playing the character once in the second season.

The Riddler made more appearances in the first season than any other villain on the series, largely due to Gorshin's passionate take on the character as a maniacal but brilliant trickster, compelled to taunt the police with riddles and puzzles. Gorshin would wear two of Riddler's most iconic costumes throughout his film and TV appearances.

NEXT: Batman: The 5 Best Robin Costumes (& The 5 Worst)