what are titans in attack on titan

In the world of Attack on Titan, Titans are gigantic man-eating humanoids that bring destruction to humanity. They were originally humans of a race of people called the Subjects of Ymir, and Ymir Fritz was the first Titan. Titans can be classified into different types based on their characteristics, such as Pure Titans, Abnormal Titans, and Titan shifters like the Female Titan, Armored Titan, Attack Titan, and Beast Titan. The Nine Titans are a group of incredibly powerful Titans whose powers have been passed down through the Eldians for nearly 2,000 years after Ymir’s death. The Founding Titan is one of the Nine Titans and has the power to control other Titans. The Titans are the main antagonistic force in the series, and Eren Yeager and his friends must defend the world against them.