Arnaeus

Iros was an old beggar who ran messages for the suitors in exchange for scraps of food. When Odysseus came home, disguised as a beggar, Iros thought the former was moving in on his territory. The two had an altercation where Odysseus crushed Iros' jaw and tossed him into the pigsty.

The Blood of Olympus
Jason, dressed up as Iros, goes to Ithaca with Piper and Annabeth, where they meet hundreds of ghouls.