Ada Wong (エイダ・ウォン Eida Won) is a character in the Resident Evil (Biohazard in Japan) horror franchise by Capcom.
She is a mysterious and ambiguous antihero figure, working for the series' villains but also helping the protagonist Leon S. Kennedy. Introduced as a supporting character in the video game Resident Evil 2 in 1998, Ada (/ˈeɪdə/) later appeared as a player character or in supporting roles in the video games Resident Evil 4, Resident Evil: The Umbrella Chronicles, Resident Evil: The Darkside Chronicles, Resident Evil: Operation Raccoon City and Resident Evil 6, as well as in the animated film Resident Evil: Damnation.
Ada Wong is known for her signature red dress, high-heeled shoes, and stylish bob haircut. She's highly skilled in combat, both hand-to-hand and with a variety of firearms. Her agility and acrobatics also often help her avoid danger. These skills combined with her intelligence make her a formidable character in the Resident Evil universe.
In terms of her role within the series, Ada usually works for various organizations and entities, and her true allegiance is often kept secret, adding to her enigmatic persona. Throughout the games, she frequently crosses paths with series protagonist Leon S. Kennedy, with whom she shares a complicated and often romantic relationship.
Although her motives are often shrouded in mystery, she's known for her resourcefulness and ability to survive even in the most dire situations. She's often a wild card in the story, adding unexpected twists and turns to the plot.