However, the iconic poses that they do when they are in the convention area can be something that awes you. There you will give your name, stage/cosplay name, your costume/fandom, the category you are entering and anything else you think we need to know about your cosplay. The genre’s origins are as old as the medium itself, though action films as we know them didn’t really take off until the 1970s. With the development of computer-generated imaging, or CGI, and other technologies, they’ve continued to prosper well into the 21st century.