Diego Esquival is a former Madrigal citizen and a retired Insurrectionist. He moved to The Rubble upon its glassing by the Covenant. After helping evacuate many people, including Maria Esquival and Ignatio Delgado, he became a member of The Rubble Security Council. He is part of the Exodus Project  and is also the brother of Maria Esquival. In 2535 he was mortally wounded by Peter Bonifacio after being shot through the chest. Shortly after his death, Jai-006 put him in a cryogenic chamber to preserve his body until he could be safely transported back to The Rubble.