Zen,Gamme OP's avatar on forums.
Zen is a staff member since July 1, 2011 (as a Game Operator). He is known because he owns almost every Shiny rare Pokemon in the game (including Legendary Pokemon and Premiums). He says he is retired, though online usually on forums and doing Battle Mansion to keep his rank up.
He is known for his Shiny Modest Alakazam, which has been traded off.