Demi the Demoness is a fictional, humorous, erotic comics character whose fantasy adventures have been published since 1992. Demi was created by SS Crompton. Demi has appeared in numerous comics crossovers with other characters, including Shaundra, Captain Fortune, Mauvette, Vampirooni, Erika Amerika, Cassiopeia the Witch, Djustine, Crimson Gash, and adult film stars Tracey Adams, Tabitha Stevens, Deja Sin, and Bonnie Michaels.

Steven S. Crompton is a Canadian-born artist, author and designer who has worked in the role-playing and comic genres since 1981. In the gaming industry he is best known as the artist for the Grimtooth's Traps books as well as other Catalyst role-playing game supplements, Tunnels & Trolls and the Nuclear War card game.