Rinzler is Clu's primary enforcer. He is an exceptionally skilled warrior and is the elite combatant in all games in the Grid. In addition, he is the only known program to use two identity discs in battle. Originally known as Tron, Rinzler's identity came into being when Tron was supposedly "killed" by Clu. Contents 1 History 1.1 TRON: Uprising Clu resembled his user Kevin but spoke in a different voice. The original Clu was derezzed by the Master Control Program (MCP) in the original film. This film's new Clu is actually the program now running Flynn's own created world, called The Grid, and is the film's main antagonist.
Kevin Flynn / Clu: Bruce Boxleitner Alan Bradley / Tron: David Warner Ed Dillinger / Sark / Master Control Program: Cindy Morgan Lora / Yori: Barnard Hughes Dr. Walter Gibbs / Dumont: Dan Shor
Clu, which stands for Codified Likeness Utility, was a Hacker program written by Kevin Flynn and played by Jeff Bridges. Clu looked just like his user, Flynn, but talked in a very different voice than his human counterpart.
Clu (Codified Likeness Utility) is a security program first created by Kevin Flynn to infiltrate the MCP's domain, then - as Clu 2 - later used as security program in the Flynn's Arcade Grid.
Tron is a security program, created by his user, Alan Bradley, whom he resembles physically, initially leading a digitized Kevin Flynn to believe that Tron was Alan himself. In Tron: Legacy, he was reprogrammed by "CLU" and transformed into the evil enforcer, Rinzler, serving as the secondary antagonist.
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who is clu in tron