# Mind Size Brain Size
Mind Size, also called Brain Size, is a two-panel reaction image where Megamind (or Markiplier) grins next to a washing machine dial cranked up to indicate massive intellect. It started on Reddit in February 2020 and spread across meme subs within weeks, spawning a Markiplier-based sequel that used the Big Brain Time template.
## Overview
Mind Size, also known as Brain Size, is a reaction image built around the animated villain Megamind smirking next to a washing machine dial labeled "Mind size" that is turned up to "Mega"[1]. The dial graphic is lifted straight from the earlier Oof Size Large template, which gave the joke a plug-and-play feel that meme readers picked up on immediately[3].
A companion version swaps Megamind for YouTuber Markiplier with a comically inflated forehead, borrowing the visual from the Yeah, This is Big Brain Time meme, and relabels the dial "Brain size" set to "Large"[6]. Both variants function as bottom-panel reactions, sitting under a top image or caption to signal that whatever appears above is either genuinely clever or so stupid it loops back into brilliance[3]. The tone can be earnest praise or dry sarcasm, depending on the setup.
## How It Spread
The format caught on within a day. On February 6, 2020, Redditor Dahooligan559 posted a variation to r/dankmemes that racked up over 30,000 upvotes and 100 comments in under a year[1]. Two days after that, Dank-meme-addict shared a glowing-eyes edit of Megamind on r/memes, treating the template as an infinite-power upgrade[4].
By mid-February the joke was hopping between subs. On February 19, 2020, Redditor gideonsnippe posted a Minecraft-themed Mind Size edit to r/minecraft, showing the format had escaped the meme-only subreddits[5].
A second variant appeared shortly after. On February 25, 2020, DaFunEMan_YT posted the Markiplier-based Brain Size version to r/dankmemes, where it drew more than 50,000 upvotes, Reddit awards, and over 100 comments[6]. That post effectively locked in the two-track naming, with Megamind carrying "Mind Size" and Markiplier carrying "Brain Size" for the same joke structure[3].
## How to Use
The template is a two-panel image macro. The top panel is typically a screenshot, text post, or caption presenting some clever, absurd, or oddly-logical take. The bottom panel is the Megamind or Markiplier reaction with the dial cranked to Mega or Large. Users often swap only the top panel, keeping the reaction image untouched. Sarcastic use is common, applying the Mega dial to something obviously dumb so the contrast does the joke.
## Frequently Asked Questions
### What is Mind Size Brain Size?
It is a two-panel reaction image featuring Megamind (Mind Size) or Markiplier (Brain Size) next to a washing machine dial turned all the way up, used to react to something clever or absurdly smart[3].
### Where did Mind Size Brain Size come from?
The Megamind version was first posted to r/dankmemes by Redditor MohamedHanycreativep on February 5, 2020, using cover art from the 2010 film Megamind[2].
### What does Mind Size Brain Size mean?
The dial cranked to Mega or Large signals maximum intelligence in reaction to the top panel, often used earnestly for a clever take and often used sarcastically for a dumb one[1].
### How do you use Mind Size Brain Size?
Place a joke, take, or observation in the top panel and drop the Megamind or Markiplier dial image below it, letting the Mega or Large setting deliver the reaction[6].
### Is Mind Size Brain Size still popular?
The format peaked in February 2020 with tens of thousands of upvotes on individual posts across r/dankmemes, r/memes, and r/minecraft, and both variants are still circulated as stock reaction images[5].
## References
1. [https://www.reddit.com/r/dankmemes/]()
2. [https://www.reddit.com/r/dankmemes/comments/eyxxxx/]()
3. [https://knowyourmeme.com/memes/mind-size-brain-size]()
4. [https://www.reddit.com/r/memes/]()
5. [https://www.reddit.com/r/Minecraft/]()
6. [https://www.reddit.com/r/dankmemes/top/]()
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Source: https://meme.com/memes/mind-size-brain-size
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