Guy is a swordsman in service to House Fabre. He is very loyal and affectionate towards Luke, and considers himself somewhat responsible for Luke's spoiled and selfish personality. It is revealed that due to a bad experience during his childhood, he is morbidly afraid of any physical contact with women. It is also later revealed that he was originally from Hod, and that his real name is Gailardia Galan Gardios.
Source from Wikipeida