Everyone was shocked to see Hanzo kneeling before Charlie so respectfully.
Naturally, neither Yoshitaka nor Kokomi knew who Hanzo was, as while the Iga ninjas and Hanzo were famous, no one actually knew what they looked like.
After all, ninjas were specialized martial artists, but ambush tactics were their forte. The most important skill they trained was to do their best to stay unseen, concealing tools in normal clothing to either hurt or hide. Never exposing their true identity was their way to protect themselves.
Yoshitaka certainly didn't expect the Iga ninjas, the top ninja clan in Japan, to show up in Tokyo Dome and salute Charlie, who was an Oskian on top of that.
Still, he was relieved as he could see that with the ninjas' numbers and Charlie's near-divine abilities, he had a good chance of surviving the night.
Charlie asked Hanzo just then, "How did things look outside when you came in?"
"There were over a dozen bodies before we got in here," Hanzo replied respectfully.