Hip-Hop Trooper (aka Stryder, from Oxford, England) mixes things up with Super Mario in the lobby of the Hyatt Regency Chicago. Credit: Chris Riha

Photo intern Chris Riha went to ACEN, aka Anime Central, this past weekend—it’s the midwest’s largest convention of anime, manga, and Japanese pop culture.

Now in its 18th year, ACEN attracts die-hard fans from around the world. Click through the slide show below to see the best costumes from this weekend’s convention, ranging from break-dancing storm troopers to Marvel’s latest irreverent superhero, Deadpool, to classic Dragon Ball Z characters.