If you're a fan of Naruto, Attack on Titan, One Piece, Sword Art Online, Case Closed (AKA Detective Conan), or any combination of the above, there's a cute little thing sponsored by Manga-Anime Guardians going on that involves all five series. Manga-Anime Guardians, a site dedicated to cutting down on piracy, is looking for people to pledge to obtain manga and anime legally, and is featuring a page with characters of all five series interacting. If you (and several thousand others) click the "join" button, the site reveals more characters. There are twenty characters in total to reveal.