A character in kyōgen plays. Jirō Kaja does not refer to a specific person, but rather to the protégé of the head apprentice, Tarō Kaja. Jirō Kanja appears together with Tarō Kaja, depicting the world of kyōgen on stage. The audience can always identify with his words and actions, and he has been loved throughout history together with Tarō Kaja. Jirō Kaja’s protégé is Saburō Kaja, with the three often appearing together.