Anissa Pierce is a fictional character from the DC Comics universe, primarily associated with the superhero team known as the Teen Titans. She is also known by her superhero name, Thunder. Anissa is the daughter of Black Lightning, a prominent superhero, and possesses the ability to manipulate her density, allowing her to become super strong or intangible. In the comics, Anissa is portrayed as a strong-willed and determined young woman. She often grapples with her identity and the legacy of her father, Jefferson Pierce. Anissa's character has appeared in various comic series and adaptations, including animated shows and live-action series, showcasing her growth as a hero.