The Best Science Fiction and Fantasy Halloween Costume Ideas for 2011Meredith Woerner10/21/11 5:29pmFiled to: HalloweenCostumesCosplayTop761EditPromoteShare to KinjaToggle Conversation toolsGo to permalink Hoping to find a timely Halloween costume this year — but not interested in being the 20th Nyan Cat at the same office party? Then try on these outfits for size. We've collected over a dozen great ideas for timely and exciting science fiction and fantasy costumes. Hipster Ariel!We all fell in love with the Hipster Ariel's harsh tongue this year, "You've got a Hot Crustacean Band? How embarrassing for you?" Now it's time to dust off this Internet Meme, and take her out for a spin in the real world.