This article is a stub. You can help Robotech Saga Wiki by expanding it. For the member of the REF, see Grell. General Comico NovelsTitan Grel was a male Zentraedi who served under Khyron in the First Robotech War as well as during the Malcontent Uprisings. Retrieved from "https://robotech.fandom.com/wiki/Grel?oldid=49443" Categories: Article stubs Zentraedi Characters Zentraedi Fleet Community content is available under CC-BY-SA unless otherwise noted.