Cosmo Yuuki ()
The main pilot of the titular mech, Ideon. Headstrong and untrusting of adults.
Densetsu Kyojin Ideon
Main
Densetsu Kyojin Ideon: Sesshoku-hen
Densetsu Kyojin Ideon: Hatsudou-hen
Kidou Senshi vs Densetsu Kyojin: Gyakushuu no Gigantis
Supporting
Shioya, Yoku
