Reiner Braun (ライナー・ブラウン Rainā Buraun) is the Vice Captain (副長 Fukuchō, also translated as "Deputy Chief" or "Vice Commander") of the Warrior Unit and the main protagonist of Attack on Titan from the Marleyan perspective. He is the illegitimate son of an Eldian and a Marleyan and grew up in Liberio's internment zone. Eventually, he was selected as a child to become one of Marley's Warriors. At the age of ten, he inherited the power of the Armored Titan.