Gosalyn Mallard is the adopted daughter of Drake "Darkwing Duck" Mallard. Most of the show is based on Drake and Gosalyn's father-daughter relationship. Gosalyn is shown to be a very spunky, athletic, cute, spirited and tomboyishly beautiful 9 year old who often gets into trouble. She is very bright and often finds loopholes within her own promises allowing her to get her way.
Knowing her adoptive father's secret identity, she too has occasionally donned a crime-fighting costume. First she called herself the "Crimson Quackette," but later, after developing an interest in archery, she began calling herself the archer QuiverWing Quack. Her first appearance as QuiverWing Quack was in the episode of the same name, where she was instrumental in defeating the plans of Negaduck. Later, in "Paint Misbehavin' " she helped to defeat the criminal Splatter Phoenix. Gos' best friend is the brainy young Honker Muddlefoot, who also knows of Drake Mallard's superhero identity. When Gos decided to become a superhero, Honker was drafted as her sidekick, the Arrow Kid, and they proved themselves to an adoring public against. The theme of Gosalyn wanting to be her father's sidekick or a superhero in her own right was a continuing thread in the series.
Despite to yet appear in Ultima, Gosalyn appeare to be a cadet in Sentinel academy, proving her skill in combat course to the level of prodigy and quite able to take down some of more powerful Orgs unknowingly to Darkwing's worry.
Gosalyn's appearence to in her teenage years, quite same age as the Duck triplets and weaponize herself with her hockey stick and bow with hidden arrow on her.