Brooklyn 99 fans have Chelsea Peretti to thank for one memorable aspect of Gina Linetti's character in the NBC sitcom. In its pilot episode, viewers were introduced to Peretti's iconic character, who was Captain Holt's assistant and Jake Peralta's friend from childhood. From then on, Gina became a fan favorite, despite not being at the forefront of the comedy series, which originally aired on FOX. One could classify Gina as a scene stealer, given her highly-quotable one-liners and sarcastic wit that never failed to make the audience laugh.
https://screenrant.com/brooklyn-99-gina-character-change-chelsea-peretti-mistake/