Robin

Robin is a character from Romancing SaGa 3. He is located in Yamas and is first seen in the quest called The Adventures of Robin. He protects Yamas and acts as a hero of sorts to the town stopping any crime or bad guys, He at one point also saves Fat Robin who with a failed attempt tried to be the hero. After the quest Robin can join by entering the warehouse where you first saw him stopping a crime when going in either Fat Robin will appear or he will appear sometimes. Simply exiting the building and entering again will eventually change up which Robin appears.