"Frankly, these parasites simply had it coming," reads the manifesto found on the suspected UnitedHealthcare CEO shooter at a Pennsylvania McDonald's.

The hashtag #FreeLuigi campaign gained traction on platforms like Twitter / X, Reddit and TikTok, with many users creating thirst trap and fancam videos of Luigi.

The short 2001 GameCube game features Mario's brother Luigi as he vacuums up ghosts and navigates puzzles, a classic video game that has since garnered numerous memes.

Penny, who restrained a mentally unwell homeless man on a subway in a chokehold which resulted in his death and whose high-profile trial started in October, has been acquitted by jury, resulting in a new round of angry debates on social media.

Itch.io's sudden shutdown of services sparked outrage and memes on the internet.