He is initially reluctant about the Ninja Tribunal taking the turtles asd their new apprentices but later accepts it .
David Chen as The Ancient One , an old ninjutsu master who taught Hamato Yoshi and was taught by the Ninja Tribunal .
David Chen is initially reluctant about the Ninja Tribunal taking the turtles asd their new apprentices but later accepts it .
David Chen as The Ancient One , an old ninjutsu master who taught Hamato Yoshi and was taught by the Ninja Tribunal .