What is Mordecai Was a Simp?

It is a Twitter argument and meme series claiming that Regular Show character Mordecai acted as a simp toward his crush Margaret, prioritizing her over his friendship with Rigby.

Where did Mordecai Was a Simp come from?

Twitter user @kingfadedz posted the earliest known version of the argument on October 5th, 2019, and it went viral the following February.

What does Mordecai Was a Simp mean?

It argues that Mordecai's behavior around Margaret throughout Regular Show fits the modern definition of a simp, including bailing on Rigby and acting jealous of other guys.

How do you use Mordecai Was a Simp?

Users typically pair a Regular Show screencap or clip with a caption pointing out a specific Mordecai moment, often comparing him to Adventure Time's Finn.

Is Mordecai Was a Simp still popular?

The viral wave peaked in February 2020 on Twitter and is now a classic Regular Show fandom take rather than an active trend.

Mordecai Was a Simp

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Published November 5, 2026

Mordecai Was a Simp is a Twitter argument and meme series claiming that the blue jay deuteragonist of Cartoon Network's Regular Show acted like a simp toward his crush Margaret. The debate started in October 2019 and exploded in February 2020 after a viral clip showed Mordecai shoving Rigby off a cliff over her, spawning poll threads comparing him to Finn from Adventure Time2.

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Overview

Mordecai Was a Simp describes an ongoing Twitter argument that Mordecai, the blue jay deuteragonist of the Cartoon Network series Regular Show, spent most of the show acting subservient to coffee shop waitress Margaret at the expense of his best friend Rigby1. Supporters of the take cite scenes where Mordecai ditches Rigby, panics around Margaret or lashes out at other guys who talk to her, treating these as textbook simp behavior.

Posts in the series typically pair a Regular Show screencap or episode clip with a caption calling out specific Mordecai behavior, often with comparisons to Adventure Time's Finn and his own hangups over Princess Bubblegum2. The tone is mocking affection rather than hostility, since the arguing users are usually fans who grew up with the show and recognized the behavior pattern only in hindsight.

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Origin & Background

Platform

Twitter (viral spread)

Creator

@kingfadedz

Date

2019

On October 5th, 2019, Twitter user @kingfadedz posted the first known thread arguing that the Regular Show character Mordecai was a simp, captioning a clip "MORDECAI WAS THE ULTIMATE SIMP had me simping when I was a teen too"1. The post picked up over 230 retweets and 750 likes in the following four months according to Know Your Meme's documentation of the meme2.

The argument stayed niche through late 2019 and early 2020, with scattered support from accounts like Instagram user holyperc30 in November and @SimeonV2 in January 20202.

How It Spread

Through early February 2020, the Mordecai simp take sat as a minor recurring joke on Twitter until a clip remix changed that2. On February 9th, 2020, the account @OOCRegularShow (Out Of Context Regular Show) posted a scene from the episode "It's Time" in which Mordecai pushes Rigby off a cliff after Rigby calls him out for bailing on plans to chase Margaret.

Later that day, Twitter user @cjafterdark quote tweeted the clip with the caption "he really killed this nigga over some pussy," and the post picked up over 16,800 retweets and 86,500 likes3. The quote tweet tipped the argument into wider Black Twitter and animation Twitter circles, and reply threads filled with other Mordecai moments offered as evidence. User @iMyIes posted a follow-up meme the same day showing Mordecai's reactions to seeing Margaret with other guys, which earned over 960 retweets and 6,300 likes4.

On February 12th, 2020, Twitter user @kasaisaiyajin asked "who was more of a simp, Mordecai or Finn," opening the debate to Adventure Time fans and pulling in another 1,600 retweets and 11,300 likes2. A companion poll from the same account drew over 72,200 votes, with 86.8% siding against Mordecai2.

Timeline

2019-10-05

Twitter user @kingfadedz posts the first known thread arguing Mordecai was a simp.

2019-11-24

An Instagram post by holyperc30 extends the argument, picking up over 1,200 likes.

2020-02-09

@OOCRegularShow shares the "It's Time" cliff scene; @cjafterdark's quote tweet goes viral with over 86,500 likes.

2020-02-09

@iMyIes posts a Mordecai reaction meme that earns over 6,300 likes.

2020-02-12

@kasaisaiyajin's Mordecai vs. Finn simp poll draws over 72,200 votes.