A Titan shifter in Attack on Titan is a human who has the ability to transform into a Titan at will. They possess the power of one of the Nine Titans, each with unique abilities and characteristics. These Titan shifters play a crucial role in the story, as they are able to shift the balance of power in the ongoing conflict between humans and Titans. The protagonist, Eren Yeager, is one of the Titan shifters in the series. **

In Attack on Titan, Titan Shifters are humans who have the ability to transform into Titans at will. They possess immense strength, speed, and regenerative abilities, making them formidable opponents in battle. Each Titan Shifter has a unique Titan form with different abilities and characteristics. These individuals play a crucial role in the story's plot and are central to the conflict between humanity and the Titans. **

Eren is a Titan in Attack on Titan because he possesses the ability to transform into one. This ability was initially triggered when he was in a state of extreme distress and a mysterious power within him was activated. It is later revealed that Eren's ability to transform into a Titan is linked to his father's experiments and the injection of a serum that grants him this power. As the series progresses, the reasons behind Eren's Titan abilities become more complex and intertwined with the larger mysteries of the story. **

The Female Titan is a powerful and agile Titan shifter in the anime and manga series Attack on Titan. It is known for its feminine appearance and its ability to harden its skin, making it extremely difficult to defeat. The identity of the Female Titan is initially a mystery, but it is eventually revealed to be Annie Leonhart, a skilled fighter and member of the Military Police Brigade. The Female Titan plays a significant role in the series, as it is involved in several major battles and plot developments. **

The smallest Titan among the Titan powers is the moon Titan, which is the smallest of Saturn's moons. It is the second-largest moon in the solar system and is even larger than the planet Mercury. Despite its small size, Titan is a fascinating world with a thick atmosphere, lakes of liquid methane and ethane, and a diverse landscape of mountains, dunes, and valleys. Its unique characteristics make it a target of interest for future exploration missions. **

Yes, the Founding Titan in Attack on Titan is a unique Titan power that has the ability to control other Titans and alter their behavior. It is said to be the most powerful of all the Titan powers and is passed down through the royal bloodline of the Fritz family. The Founding Titan's power is also linked to the Coordinate, which allows the user to manipulate the memories and actions of other Titans. **

In Attack on Titan, Titan shifters are humans who have the ability to transform into Titans at will. They possess immense strength and regeneration abilities, making them formidable opponents. However, being a Titan shifter comes with its own set of challenges, as they are often targeted by both humans and other Titans. Throughout the series, the fate of the Titan shifters varies, with some meeting tragic ends while others play crucial roles in the ongoing conflict. **

Eren could control the Founding Titan in Attack on Titan because he possesses the ability to access the memories and powers of the previous Founding Titans due to his royal bloodline. This allows him to tap into the full potential of the Founding Titan's abilities, including the power to manipulate the memories and actions of other Titans. Additionally, Eren's strong will and determination play a crucial role in his ability to control the Founding Titan, as seen in his ability to resist the influence of the royal family and use the Titan's powers for his own purposes. **