According to Wikia's Terms of Use: "Articles and content that appear on fandom.wikia.com (“Original Content Site”) that are created by the Company or one its contributors is the exclusive property of the Company and its licensors (“Company Original Content”). Except as explicitly provided herein, nothing in this Agreement shall be deemed to create a license to the Company Original Content, and you agree not to sell, license, rent, modify, distribute, copy, reproduce, transmit, publicly display, publicly perform, publish, adapt, edit or create derivative works from the Company Original Content. Subject to the terms and conditions of this Agreement, Company provides you with a license to use the Company Original Content for your personal, noncommercial use only. Company may terminate this license at any time for any reason or no reason. Use of Company Original Content for any purpose not expressly permitted by this Agreement is strictly prohibited."
Which means good luck if you want to turn one of these into an actual show or book or movie one day, because whatever gets posted on Wikia now belongs to Wikia.