Tetsuo Shima is a fictional character from the anime and manga series Akira, created by Katsuhiro Otomo. He is a young man who undergoes a dramatic transformation after a motorcycle accident, gaining powerful psychic abilities. Tetsuo's struggle with his newfound powers leads to conflicts with his friends and the government, showcasing themes of control and identity. As the story progresses, Tetsuo becomes increasingly unstable and aggressive, ultimately seeking to understand and master his abilities. His character represents the dangers of unchecked power and the consequences of technological advancement, making him a central figure in the narrative of Akira.