https://archived.moe/i/thread/803409/ (first C4 preseason thread)
https://boards.plus4chan.org/tnt/t193887.html (promo)
https://desuarchive.org/a/thread/277641237/ (/a/ thread)
https://desuarchive.org/co/thread/148153387/ (/co/ thread)
https://warosu.org/ic/thread/7568185
https://warosu.org/ic/thread/7618492
https://warosu.org/ic/thread/7656596
https://warosu.org/ic/thread/7696764
https://warosu.org/ic/thread/7716879
https://warosu.org/ic/thread/7728732

Newgrounds:

https://www.newgrounds.com/bbs/topic/1544315