In the TV series 'Twin Peaks,' what unique trait distinguishes Deputy Andy Brennan from Deputy Hawk, specifically in his interactions with Deputy Rudy? (Genius)
#1: Deputy Rudy is Andy's secret codename in the FBI.
#2: Deputy Rudy is a hallucination seen only by Andy Brennan.
#3: Deputy Rudy is the name of a character that Andy Brennan briefly impersonates during a stakeout.
#4: Deputy Rudy is not an actual character; it's an alias used in the Black Lodge.