The Host isn't a fanfic character. Unless you want to argue a work entirely unrelated to any work published through official channels is fanfic, but then all webcomics are fanfic and it gets uglier from there.
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Current Projects: Fool's Overture, CYOA: http://tinyurl.com/4y5ysx8
Sburbopolis, Homestuck RPG: http://www.gamefaqs.com/boards/8-gamefaqs-contests/60206251