Interesting, I forgot that Wikia was founded by Jimbo (Ref: https://en.wikipedia.org/wiki/Fandom_(website) https://en.wikipedia.org/wiki/Fandom_(website) ). But

Interesting, I forgot that Wikia was founded by Jimbo (Ref: https://en.wikipedia.org/wiki/Fandom_(website) https://en.wikipedia.org/wiki/Fandom_(website) ). But I would no more call it a sister project of wikipedia. The official sister projects of Wikipedia are collected under the Wikimedia brand, see https://www.wikimedia.org/ https://www.wikimedia.org/