Nathan Larson is owner of Nathania, Libertapedia, RationalWikiWikiWiki (Leucosticte iteration), Meta-Inclu, ChildWiki, and SuicideWiki. He provides technical support for PolyWiki, which is owned by his sister, Alyah Fox, aka PolyFox.
He is also active on WikiIndex and MediaWiki.org, and is banned on the English Wikipedia. He has been active on RationalWiki.