angered while his hairstyle resembles Duke Fleed's, the main character from Grendizer. Ryou's codename is . An ally of Ken and Ryo who serves as an engineering officer. She is a member of the , a division of the Skull Force. Although appearing timid and innocent-looking, she is very strict and diligent when performing missions. A member of the WSO and overall commander of the Skull Force. Leader of the Gren Falcon Squad, a division of the Skull Force. In the manga version, she serves as the superior officer to Ken and Ryo. Leader of the Kiba Army. In addition to fighting against the other factions, he is obsessed with finding and defeating the MazinKaizer SKL. When his entire army was wiped out by SKL's attack, he battles it himself with his mecha, the Bakuryuki, but was defeated and was seemingly killed. He however survived, albeit badly scarred, and battles SKL one more time piloting the Iron Kaiser. He has an aggressive, brash, and reckless persona. In one scene, he enjoys drinking with women by his side. It is suggested that the women in Kiba's army were former captives of the Aira Army converted to join his cause. His character motif is based on "Zuba The Barbarian" a character from Go Nagai's manga of the same name. Kiba's forces are styled after the marauder types from Fist of the North Star and Mad Max 2. His fortress looks like a damaged aircraft base. One of Kiba's henchmen. Leader of the Garan Army. Unlike Kiba, he is calm and more calculating in his persona. He is also skilled in the use of swords, which made him a match against Ken Kaido in their duel, and a formidable pilot, able to defeat SKL in their first battle. He is however defeated in their second battle when he leaves himself open upon learning of Himiko's death by Kiba. Garan's forces and fortress is styled after feudal Japan. Loyal assistant of Garan. In Episode 3, she is revealed to be Aira's elder sister and former leader of the Hachiryokaku, but defected to Garan for reasons unknown. She also knows the location of the Iron Kaiser, which leads to her murder by Kiba. Her character design is based on the Slum Queen, a character from Violence Jack. Leader of the Aira Army, also known as the . Her design and persona is based on the