He's the town's spokesman and by far the most dedicated to the rule of never breaking character. When the village is taken over by Franz's team of thieves. He proves to be of no help as he continues to act like it's 1864. Pioneer Paul even shoots one of the townsfolk for breaking character in an attempt to save his own life by giving Franz the door code he wants.
Though Stan Marsh and the police manage to stop the robbers, Paul is nearly killed by another employee playing the part of a criminal. Only when the tone that signal's the village is now closed do the two stop fighting and Paul reveals information that would've been useful earlier.