Wormhole.png:
Wormhole by Xolarix: http://fav.me/d2lh209
Licensed under Creative Commons: Attribution-Noncommercial-No Derivative Works 3.0 License
http://creativecommons.org/licenses/by-nc-nd/3.0/
I actually made a derivative work and I hope no one will murder me for that. Screw CC-NC and CC-ND licenses.

Illuminati.png and reference:
Somewhere from the internet.

Nevermore.png:
It's a part of Nevermore's head texture; stolen from Valve.

The rest is created by POSITIVE MENTAL ATTITUDE (https://github.com/POSITIVE-MENTAL-ATTITUDE)
and licensed under Creative Commons: Attribution-ShareAlike 4.0 International License
http://creativecommons.org/licenses/by-sa/4.0/