Nothing came up, except for this.
https://www.twitter.com/BOOTLEGLUCKY
"@GreenyPhatomKid You should do some posts about MYCUN, it is just shitty crossover made by a greenyfag."
I know there were a lot of Greeny Phatom haters and rants on the internet.
Oh, actually, I googled "mycun rant", "gabriel garcia mycun rant", "mycun cringe" and none of these popped up, well, except for this.
http://fluffyyen.deviantart.com/art/MYCUN-rant-published-and-constructive-599446766 (yes I posted this before)