Blame John

"Blame John" was a popular fad that probably got generated after the release of the Blame John Tie and the Blame John Sign, around the end of 2010.

Meaning
John Shedletsky (or Telamon) can do whatever he wants to the website. So, when something bad happens, somebody says "Blame John!", as Telamon can cause mayhem to Robloxia with his adminship.