Eugene Rantz (ユージン・ランツ Yūjin Rantsu?) was a second lieutenant of the 177th Armored Division of the Federal Republic of Giad. The son of former Alba nobles from the fallen Giadian Empire, he enlisted in the Federacy's army to help provide for his younger sister Nina. He was well regarded for his Feldreß piloting skills.
Eugene had the silver hair and eyes of a Celena. He wore glasses and had wavy hair. As a soldier of the Federacy, he would typically wear the standard steel-blue uniform.