These fandoms support a large market for official and unofficial fandom memorabilia. It may be a nod towards yaoi fandoms, in which underage pairings are more commonplace. Fans in communities online often make gifs or gif sets about their fandoms. Western cosplay's origins are based primarily in science fiction and fantasy fandoms. Speculative and science fiction fandoms have generally become less proportionately male over time. It has even inspired numerous fan fictions in other fandoms. This practice has been adopted by shippers within fandoms to describe relationships between fictional characters. Works featuring characters, items, and/or set pieces from multiple fandoms. In some edits, one may see content relating to several different fandoms. Fans use all art forms to express their creativity with regard to their fandoms. There is also a long tradition of organized Tolkien fandoms in Scandinavia. Online platforms also give fans more ways to connect and participate in fandoms. There are active SF fandoms around the world. This is sometimes done with fandoms that are meant to be light-hearted or for children. Even for fandoms with specific titles, the "artist stan" formula still applies.