Find a huge selection of cosplay costumes at Yandy! Yandy has all the best anime cosplay costumes. And just because it’s a cartoon doesn’t mean it’s not for adults; Yandy has sexy cosplay costumes too! The con’s official merch page sells shirts, badges, plush toys, female loki costume and more. The teaser, clocked in at only 17 seconds, shows a silhouetted figure entering what appears to be an office filled with files and artifacts.