The internet loves stories about people doing good deeds, but there's also something strangely entertaining about witnessing a perfectly harmless act of mischief.

Most people try to be kind, considerate and helpful. Others see an unattended opportunity for chaos and immediately take it. From pranksters who create minor inconveniences to people who find creative ways to annoy friends, family members and complete strangers.

These are not crimes. They're not even particularly serious. They're just small, mischievous decisions that reveal someone's inner cartoon villain. The goal isn't causing real harm but creating just enough chaos to make everyone groan. Nobody benefits. Nothing is accomplished. Yet someone still decided the joke was worth it. In many cases, they're probably right.

Not every villain dreams of world domination. Some are content with inconveniencing others in the most ridiculous ways possible. From petty pranks and harmless trolling to acts of confusion engineered on an extremely limited budget, these posts remind us that some people simply enjoy making life a little stranger for everyone around them.

So if you've ever hidden the TV remote, eaten the last slice without telling anyone, or intentionally left one cookie in the package so you wouldn't have to throw it away, consider this your warning.

Scroll down for 20 examples of minor acts of evil that were somehow too funny to be genuinely upsetting.