~Space Paranoids~
Tron
A security program improved and upgraded by Ansem the Wise. He's the fellow who also reprogrammed the MCP. Tron is dedicated to making sure the system functions perfectly, but the MCP wants to take control away from the users.

Only Ansem knows why these two programs behave so differently.

*First Appeared: Tron (1982)
Sark
A powerful program who doesn't serve any user - just the MCP. Commander Sark is pretty harsh to any program that tries to resist his master's power.

*First Appeared: Tron (1982)
MCP
The Master Control Program. He rules the system as the chief control program.

Instead of working for the users, the MCP is planning to take over the system for himself. By refusing to follow the users' orders and trying to enact his evil plan, he's causing chaos among the other programs.

*First Appeared: Tron (1982)
Hostile Program
An executable called from the DTD dataspace to destroy the town.