He is referred to simply as "The Gambler", with his in-game profiles being the only place where his real name, Pierre, appears.
Pierre appears as an opponent during the Tag Force tournament, teaming with Blair Flannigan. After completing the game, he appears during Part 1 at the pier, and can become the player's partner if they win at a minigame of guessing in which hand he hides a coin.
Tag Force 2
Pierre duels against the player in the third story event for every Tier 1 character.