Akban is a specific system of self-defense and fitness training developed by Doron Navon. It focuses on practical applications of martial arts principles and emphasizes adaptability to various combat situations. It's known for its focus on realistic scenarios and integration of multiple martial arts disciplines.

Ninjutsu is a Japanese martial art emphasizing stealth, infiltration, and unconventional warfare tactics. It involves a wide range of skills, including unarmed combat, weapons proficiency, and espionage techniques. While often romanticized, it focuses on practical self-preservation and strategic thinking.