Do You Know Shredder?

Kevin Eastman is the correct answer because he is one of the co-creators of the Teenage Mutant Ninja Turtles franchise, which includes the character Shredder. Along with his partner Peter Laird, Eastman developed the concept and artwork for the comic book series in the 1980s, which later expanded into an animated TV series, movies, and various merchandise. Shredder, as the main antagonist of the Teenage Mutant Ninja Turtles, was created by Eastman as a formidable enemy for the turtles to face.

The correct answer is Ninja turtle because the question asks who challenged and defeated him. Since the options include Ninja turtle, Ninja clan, Ninja Tortoise, and None of the above, we can conclude that the correct answer is Ninja turtle.

During Saki's fight with the ninja turtle, Leonardo plunged his sword through Saki's torso.

Hamato Yoshi is the correct answer because in the Teenage Mutant Ninja Turtles franchise, Oroku Nagi is killed by Hamato Yoshi. Hamato Yoshi is the adoptive father of the turtles and the sensei of the Ninja Turtles. He is also known as Splinter, the wise and skilled martial artist who trains the turtles in the art of ninjutsu. Oroku Nagi is a member of the Foot Clan and a rival of Hamato Yoshi, and their conflict ultimately leads to Nagi's death.

Saki trained to be a Ninja in the Foot Clan.

The correct answer is Nagi. The question is asking for the name of the elder brother of Oroku Saki. Among the given options, Nagi is the only name that matches the criteria.

The correct answer is Foot's American branch. The question is asking about the leader of a specific group, and out of the given options, Foot's American branch is the only group mentioned. Therefore, the leader referred to in the question must be the leader of Foot's American branch.

Seppuku, also known as harakiri, is a ceremonial form of suicide that originated in Japan. It was traditionally performed by samurai as a way to restore honor to themselves or their families after committing a grave offense or failure. The act involves a person disemboweling themselves with a short sword, followed by a second person beheading them to ensure a swift death. Seppuku was seen as a way to preserve one's dignity and avoid falling into the hands of enemies. Therefore, "Ritual suicide" is the correct answer.

Shredder killed both Yoshi and Shen in order to avenge his brother's death. This means that he sought revenge against both individuals for the death of his brother, indicating that both Yoshi and Shen were responsible in some way. Therefore, the correct answer is "All of the above."

Splinter was the leader of the ninja turtles. Splinter, a wise and skilled rat, served as the mentor and father figure to the turtles. He trained them in the art of ninjutsu and guided them in their battles against evil. Splinter's leadership qualities, knowledge, and guidance made him the natural leader of the group.