The 'No Fun Allowed' meme originated from a Sonic the Hedgehog comic book featuring a 'No Fun Zone' sign, which was later edited to depict a robot strictly enforcing a ban on enjoyment. It quickly became a staple reaction image across forums like 4chan and Reddit, used primarily to criticize overbearing moderators, killjoys, or restrictive community rules. The image perfectly captures the frustration of seeing a playful thread or lighthearted conversation shut down by someone taking things too seriously. Over time, various iterations have appeared, but the core message remains a humorous way to mock authoritarianism and overly serious attitudes in online spaces.