Hideo Kojikma's PSN name? Easter Egg?

[NYANKS]

http://kotaku.com/5035215/psn-easter-egg-adds-old-snake-to-friends

If you send a message or invite to hideo_kojima the name turns to OLD SNAKE.

 

What do you guys think.  Can someone have messed with the system? Pretty funny, at the least.

P.S.  I spelled Kojima's name wrong in the title, my bad.