He is the son of Carozzo Ronah and the half-brother of Berah Ronah/Cecily Fairchild. Though he is not blood-related to Meitzer Ronah, he was adopted into the Ronah Family because of Carozzo's marriage to Meitzer's daughter. Within the Crossbone Vanguard, Dorel is a Mobile Suit squadron commander and the rival of Zabine Chareux, the commander of the Crossbone's elite Black Vanguard squadron.
Dorel's skill at piloting led him to achieve the rank of MS squadron commander in the Crossbone Vanguard.When the Crossbone Vanguard made their move to seize control of the colonies, Dorel spearheaded their initial assault.
Dorel's fate after Cosmo Babylonia collapsed and the Crossbone Vanguard was defeated is unknown.
Dorel is incredibly brash and competitive, whose determination to prove himself often leads him to engage in risky behavior in battle.
- Despite being a major character in the F91 movie, Dorel does not appear in the sequel manga series Mobile Suit Crossbone Gundam. When Hasegawa, Crossbone's artist asked Yoshiyuki Tomino what became of Dorel, Tomino told him to just "forget about it".
Principality of Zeon