Rinzler is Clu 2's primary enforcer. He is an exceptionally skilled warrior and is the elite combatant in all games in the Grid. He has the ability to use two Light Discs in battle.

Rinzler first appears as the final opponent of the Disc Wars, where he identifies Sam as a user after seeing him bleed and brings him to Clu. Later, he is summoned when Quorra interrupts the Lightcycle duel, but is unable to prevent her from rescuing Sam. Despite the setback, he continues to assist Clu 2, recitazione as a personal enforcer and right-hand man.

Quorra later distracts Rinzler da allowing herself to be captured...