[4] In past years, Warpcon has invited writers, artists and other special guests to sign merchandise and occasionally run events such as games-making workshops.
[citation needed] Previous attendees and guests have included John Kovalic,[2] Steve Jackson,[2] Gareth Hanrahan,[5] Games Workshop's Jervis Johnson,[2] and actor David Nykl.
[2] At previous Warpcon conventions, a charity auction of collectibles and other items has been held on the Saturday night.
Past auctions have included signed first-edition and pre-publication books, slots to appear as a character drawn by John Kovalic in card game, Jayne Cobb's hat (as worn in the TV show Firefly), and the first ever "My Little Cthulhu" plush toy.
[citation needed] In previous years various CCGs, from Magic: The Gathering to Yu-Gi-Oh!, have been hosted at Warpcon.