Donna Troy is a fictional superhero appearing in comic books published by DC Comics. She is often associated with the Teen Titans and is known for her connection to Wonder Woman, as she is portrayed as her younger sister or a counterpart. Donna possesses superhuman abilities, including strength, agility, and flight, and often wields magical weapons. First introduced in the 1960s, Donna has undergone various character developments and story arcs. She has taken on several identities, including Wonder Girl and Troia, and has been a key member of various superhero teams. Her character explores themes of identity, empowerment, and heroism.