Crank Zent (クランク・ゼント Kuranku Zento?) is a character that appears in the Mobile Suit Gundam IRON-BLOODED ORPHANS anime series.
Though not much to be known, Crank is a pilot whom had his own honour, refusing to attack vulnerable opponents such as children. Realising the cruelty of Gjallarhorn's modus operandi, he decided to end his life as a soldier by staging his own defeat at the hands of Barbatos and its pilot, Mikazuki.
Crank is a veteran soldier for Gjallarhorn Mars Branch. He has sufficient piloting skill to briefly fight on par with Mikazuki Augus who was piloting the ASW-G-08 Gundam Barbatosthrough the Alaya-Vijnana System.
One of Gjallarhorn's Mobile Suit pilot, he was among the three Graze pilots sent to attack Chryse Guard Security's base. He retreated from the battle afterwards when one of the members, Mikazuki Augus piloted ASW-G-08 Gundam Barbatos and defeated two Graze, followed by the fact that his resistance were children.
Refusing to follow Gjallarhorn's orders to cleanse evidences of their defeat, Crank challenged Mikazuki in a Mobile Suit battle and demanded Kudelia Aina Bernstein as his winning prize. After being defeated, he requested Mikazuki to end his life and the latter does so by firing him with a handgun.
Crank was the first individual who respect Ein despite the later being half-Martian, his death started Ein's lifelong quest of vengeance against Tekkadan.