"Tatsuya Shiba is a recurring character in the popular Japanese manga series ""Invincible"". He is a powerful magician and a key player in the story's plot.

Tatsuya is first introduced as a high school student who possesses incredible magical abilities. He is known as the ""irregular"" due to his unique and powerful magic skills. Despite his exceptional abilities, Tatsuya is a reserved and introverted character, often keeping to himself and rarely talking to others.

As the story progresses, Tatsuya becomes more involved in the plot. He joins the Magic University as a student, where he quickly rises to become one of the most powerful magicians in the school. He is also recruited by the government to work as a secret agent, using his skills to protect the country and its citizens from magical threats.

Tatsuya's powers are unique and awe-inspiring. He is able to manipulate matter at a molecular level, allowing him to create powerful spells and even control the weather. His strength and knowledge of magic make him a valuable asset to the story's protagonist, as he often comes to their aid during fights and battles.

Despite his immense power, Tatsuya is not without his flaws. He has a complex relationship with his sister, who also possesses magical abilities, and is often criticized for his lack of emotional expression. Nevertheless, his unwavering loyalty to his friends and commitment to protecting others make him an endearing and lovable character.

Overall, Tatsuya Shiba is a fascinating and captivating character in ""Invincible"". His unique powers, reserved personality, and unwavering commitment to doing what is right make him an integral part of the story's narrative."