Mr. Green is a special character that can be obtained in Resident Evil Outbreak by finding every special item in the game. He will be available for purchase in the Gallery for 100,000 points. In Resident Evil Outbreak File #2, he'll be in the gallery through the Data Convert option (alongside the other Mr. Colors) for 10,000 points.
Due to the passive damage multipliers and his increased critical hit ratio from the Lucky Coin; he can potentially deal the most damage in the game.
He can also access the crawl spaces in the Underbelly scenario.
His virus infection is the highest in the game (2.26% per minute).