Originally Posted by Zerimar Nyliram
The novel also provides a motive for PROXY to come and kill you on Felucia: he has been corrupted by the planet's droid intelligence core, which is where Galen discovers him and fights him. It even makes mention of his photoreceptors (eyes) turning red and his voice changing. And he assumes the forms of Anakin Skywalker and Obi-Wan Kenobi in addition to Darth Maul.
In the game, he just randomly shows up to try to kill you. Such a shame
Well, aint it his primary programming to kill you ? They atleast say so in the xbox version