Remember Sifl and Olly? The show aired on MTV from 1997-1999, and during it's last season premiered the popular punk comedy song "United States of Whatever" that would later become heavily parodied across the web.

Ever dream of this man? Apparently people from all over the world have been seeing him in their dreams, often as a benevolent character. Is this real, or just a viral marketing campaign?

"U Jelly?" is a slightly quicker way of saying "you jealous?" on discussion forums and comments.

We all know that memes form through the sharing of ideas. Here in the United States, many people have mixed feelings about the nature of copyright law. But in Brazil, sharing culture and building upon each other's work is a feature of national pride.

In the latest episode of Know Your Meme, Internet Scientist Patrick analyzes Tenso, the multi-pane image macros from Brazil.