It's a message from Anagram to Anagram circa 2058, after the outbreak of the Neo Dark Age and the eradication of all storage technology from CD-ROM onward.
"Anagram. By my calculations you will discover this when you are roughly 23-25 years of age. There [...] yet be time. I don't remember it all too clearly, it's been [...] since those innocent GameFAQs days. I want you to know that that you cannot under any circumstances commence work on the Pokemon watchthrough topics. You will initiate a feud with [...] that will ignite the flames of global war. You must not begin this dark path. Fandom is a [...] and can only lead to ruin.There is no [...]. There is still hope."
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"Later..." <Toonami> <4/1/2012> <Never Forget> ~SCP~
http://img.imgcake.com/Jeffzeropngus.png