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Comic Book / Adventure Time x Regular Show

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Ooo meets OOOH!

Adventure Time x Regular Show (Pronounced as Adventure Time Cross Regular Show. Also written as Adventure Time/Regular Show) is a six-issue comic book crossover between Adventure Time and Regular Show from KaBOOM! Comics which started in 2017 and ended in 2018.

The story starts in the land of Ooo, where the Candy Kingdom is under attack by a new villain calling himself the Master of Division, who has the power to "divide people", i.e., make them fight one another. With most of the kingdom starting to fall to him, Bubblegum comes up with a portal machine in the hope of searching for "The Power", the only device that could stop him. Initially Marceline was to go look for it with Finn and Jake aiding her, but Lumpy Space Princess and Ice King end up tagging along as well.

Meanwhile in another dimension, Mordecai is tasked by Benson to look after a daycare of future rulers, and is quickly joined by Rigby. Shortly after, the portal opens above them, with the five Oooians landing on them and the rest of The Park crew. After some initial fighting, the two sides come to an agreement to work together to go find The Power, leading them on a crazy quest that'll put their skills and friendships to the test.

Adventure Time x Regular Show has the following tropes:

  • All for Nothing: After all the searching for "The Power" in the first few issues, it ends up destroyed by Mordecai and Rigby before they can even use it against the Master of Division. Though luckily they manage to defeat him due to "Em-Oh-Dee" using his division powers to amplify the negativity and cause their squabbling to go out of control, taking down his forces in their scuffle.
  • Ambiguous Situation: Issue 4 and 5 explore the possibility that the Regular Show world could be Ooo in the distant past, due to Marceline and Simon finding several locations that they recognize from pre-Mushroom War Earth. The duo was certain about this, while Lumpy Space Princess throws doubt by claiming it's an alternate universe and everything is just coincidence, stating nothing really feels right about the world to her. Not helping matters is the fact the Regular Show Death knows the Adventure Time one as a relative of his, implying that the two do their jobs in separate dimensions. Ultimately, the comic doesn't give a definitive answer to this and leaves it up to the audience to decide.
  • Ascended Extra: Fives' girlfriend Celia, who rarely appeared throughout Regular Show, joins around the second issue and proves pivotal to the plot.
  • Art Shift: When going after the second piece of The Power, the heroes have to go into a video game to retrieve it, turning them all pixelated.
  • Attack Its Weakpoint: Skips stops a bat-transformed Marceline by poking the back of her knee, which causes her to transform back to normal and saves Finn in the process.
  • Attack of the 50-Foot Whatever: This is the power Benson gains once in the Ooo world, with his anger causing him to go giant-sized. Even dwarfing Princess Bubblegum's Gumball Guardians.
  • Battle of the Bands: The first guardian of the piece of The Power invokes a musical battle of various genres in order to obtain it.
  • Big Bad: The Master of Division or, as the Adventure Time cast calls him, the "Em-Oh-Dee".
  • Came from the Sky: The Adventure Time cast literally end up dropping out of the sky into the Regular Show world. The Park Crew does the same when entering Ooo.
  • Canon Character All Along: The Master of Division turns out to be Tiffany, Jake's former cohort, given powers by Magic Man just for kicks.
  • Continuity Cavalcade: A lot of references to both shows are in here and sprout up though the adventure.
  • Covers Always Lie: A lot of the cover feature characters such as Margaret, Eileen, Thomas, Cloudy Jay "CJ", Susan, Betty, Lemongrab, and The Lich among a slew of other minor characters. But they either don't appear or are not relevant to the plot.
  • Crossover: Natch.
  • Crossover Couple: LSP tries to invoke this by flirting with High Five Ghost, who constantly keeps telling her he has a girlfriend. She briefly back off when his girlfriend Celia shows up, but starts back up after they're briefly separated.
  • Crossover Relatives: Both the Ooo version of Death and the Regular Show's one are revealed to be cousins, squabbling ones at that, who do their jobs in their respective dimensions.
  • Demoted to Extra: Pops and Muscle Man barely do much of anything in the comic, with most of their exploits being off screen with the child dictator kids. Muscle Man even lampshades his lack of a role in the last issue. Benson likewise isn't much use to the plot other then getting the candy guards to stop their attack.
  • Fight Unscene: When going after the last piece of The Power, the heroes are challenged to a hot dog eating contest against sentient hot dogs. Rigby declines to join in the challenge, so the others go on ahead and come back a second later telling Rigby that he missed out on quite a fun time.
  • Gone Horribly Right: The Master of Division's power works a little too well on Mordecai and Rigby, due to the fact that they were already arguing by the time they got hit with the curse. In the final issue, their fight has become a danger not just to their allies but to the Master of Division's forces as well.
  • Greater-Scope Villain: Magic Man was more or less responsible for everything once it was revealed that the Master of Division was Tiffany. Naturally he warps away before anyone can do anything.
  • Gotta Catch 'Em All: The first three issues have the heroes looking for the pieces of The Power, which Skips had hid away after its last use and assigned them to guardians to protect.
  • Let's You and Him Fight:
    • Master of Divison's power causes people to fight one another. By the final issue he has near all of Ooo fighting one another.
    • The Adventure Time bunch (Finn, Jake, Marceline, Ice King and LSP) end up getting into a fight with most of the Park Crew (Mordecai, Rigby, Muscle Man and Fives) before Skips ultimately breaks it up after keeping Marcie from harming Finn after she gets fed up with neither side listening to her.
    • Mordecai and Rigby start fighting once they find out they have powers in Ooo. The final issue sees them continuing it to the point it's becomes a danger to both their allies and Master of Divison's forces. It's only until Fives calls them out for hurting Celia that they realize their bickering has gotten out of hand.
  • Hate Plague: The Master of Division has the power to "divide" people and cause them to fight against each other. Finn and Jake end up getting hit and cause them to squabble through most of the adventure. The curse gradually weakens during their visit to the Regular Show world. But Bubblegum ends up hit with it later on as the heroes discover when they return back to Ooo.
  • I Choose to Stay: Discussed. Marceline and Ice King consider doing this when they start theorizing that the Regular Show universe could actually the Adventure Time universe years prior to the Mushroom War. Subverted when Marcie decides to go back after concluding that, if that really is the case, then changing the past by staying would prevent the creation of Ooo and wipe their friends from existence. Ice King joins her at the last second.
  • More than Mind Control: It's implied that part of the "division" curse is simply amplifying any negative feelings the two individuals may have towards each other and bringing them to the forefront. Bubblegum more or less confirms this when she admits to Celia that some of her actions under the spell was mostly her true feelings coming to the forefront in dealing with people who essentially amounted to idiots and the pressure of trying to keep the kingdom standing, saying at one point that it's like her inhibitions vanished.
  • Mundane Made Awesome:
    • Apparently singing "John Jacob Jingleheimer Schmidt" is enough to be able to open a portal to another world. This is how Marcie, Ice King, LSP along with Muscle Man and Fives manage to travel back to Ooo when it seems the former three could be stranded in the Regular Show world.
    • Math, ironically, is used to stop the Master of Division. Since High Five Ghost has nor mass or power, this effectively makes him a zero, which nullifies Em-Oh-De's power cause you can't exactly divide zero (i.e., nothing).
  • Nice Job Breaking It, Hero:
    • In Issue 3, Rigby ends up using the Find-O-Scope and warps both Finn, Jake, Skips, Benson, Celia, Mordecai and him into the Ooo after feeling jilted at being seen as a burden.
    • In the final issue, Jake manages to throw Mordecai The Power and he's all set to attack the Master of Division, only for Rigby to show up and try to take it from him due to wanting to be the hero. The two fight and end up breaking the keyboard in half.
  • Sequel Episode:
    • Can be seen as one to Regular Show: The Movie since some of the tension between Mordecai and Rigby deals with Rigby finding out Mordecai is planning on going back to college, which once more makes Rigby feel like he's trying to abandon him.
    • Likewise continues the plot thread from Simon and Marcy When the Ice King ends up running off through the city in the Regular Show world. Marcie catches up and both end up finding places they would later end up visiting on their ruin Earth, such as the Soupery and the factory that makes the doll Marcie would gain.
  • Sequel Hook: The Park Crew head back to their world with Mordecai asking if they'll ever see their Ooo friends again. Bubblegum states that'll it take some time to make another portal, but that it is possible with the final issue ending on the caption of "Continue Y/N?".
  • Self-Disposing Villain: The game bosses protecting the second piece of The Power willingly jump into the lava when LSP tries to flirt with them.
  • Seen It All: Naturally, Skips isn't put off by the Adventure Time bunch, even stating he's run into dimension hopping vampires before.
  • Shout-Out:
  • Talking Is a Free Action: Defied when Mordecai and Rigby, after getting hit with the curse, start to fight again with Mordecai hitting Rigby in the face as he's talking.
    Rigby: Not cool dude! I was monologuing! (Jump kicks Mordecai) MONOLOGUING!
  • Talking the Monster to Death: This is Celia's power upon entering Ooo, with her words being able to deesclate any situation. She ends up saving the heroes from some plant monsters that thrive on conflict (which were feeding off an argument from Mordecai and Rigby) and later brings Bubblegum back to normal when was she affected by the Division's power.