After the Dorian invasion he lost much of his prestige, his functions being taken over by Apollo Nomius, but he will always be known as the slayer of Argus, FTP, who is this son of Zeus and the messenger of the gods?
His images were placed where roads crossed, and it is a natural extension of his guardian role that he also received the epithet Psychopompus, or conductor of souls.  As an ancient deity of the Pelasgians, he was also known as Kriophoros, or ram-bearer, for his role as a protector of flocks and herds.  After the Dorian invasion he lost much of his prestige, his functions being taken over by Apollo Nomius, but he will always be known as the slayer of Argus, FTP, who is this son of Zeus and the messenger of the gods?
His images were placed where roads crossed, and it is a natural extension of his guardian role that he also received the epithet Psychopompus, or conductor of souls.  
Hermes