This small drawing and phrase began popping up all over the world back before World War II, and exploded when US troops were deployed. It is thought that the image is a British doodle called "Mr. Chad," and Killroy was an American metal inspector whose name wound up on metal around the world. Thus, this silly graffiti was created.

While practicing stenciling at the Rhode Island School of Design, students Shepard Fairey and Ryan Lesser created this silly image of Andre the Giant in 1989. They then plastered copies of the image all over town, and the “meme” blew up.

After the release of the The Lord of the Rings books in paperback, their popularity soared. Hippies used Frodo Baggins as a symbol, meaning someone oppressed by the system and forced to participate in it. Thus, “Frodo Lives” graffiti was a small form of social protest.

In ancient Rome, a man created a square along with the phrase "SATOR AREPO TENET OPERA ROTAS." This phrase is a palindrome in all directions, and roughly translates to "the sower is at the plow.” As silly as that is, the square became a popular carving in stones across Europe for the next few thousand years.

While this Alfred E. Neuman cartoon went on to become the face of Mad magazine, it originated back in Ireland with the racist characters "Paddy" and "Bridget" from English propaganda. After a few redesigns, the gap-toothed child took form.

You might get Facebook messages urging you to “send this frog to 10 people for good luck,” but the concept of a “chain letter” has been around since before social media. In the ‘80s and ‘90s, they were just real letters you sent to your friends.

All the way back around 500 AD, this Chinese symbol eventually spread across Europe, becoming a feature in plenty of architecture.

Instead of quoting internet memes, we memorized entire segments of movies, television shows, comedy specials, and more. Hitting your friends with the perfect relevant reference was the equivalent of sending the most tasteful meme.

In 1970, Orson Welles was contracted to read an advertisement for the Swedish frozen food company Findus. He obviously felt that the work was beneath him, and made quite a mockery in bts clips. The clips were played on radio stations in the 1970s, and instantly became a classic.

If you were cool in school, then you knew how to draw this super “S.” Originally, this was the brand logo for “Stussy,” a clothing company.