Felix Tagge, a human from the House of Tagge, held the position of one of two Heads of Finance for the Tagge Corporation throughout the Galactic Civil War. Adelaide Tagge shared this role with Felix, and he affectionately called her "dear." Both Felix and Adelaide were members of the Tagge Corporation's Board, which was overseen by Domina Tagge, Adelaide's cousin. Furthermore, Felix and Adelaide were the parents of Ronen Tagge.
The character of Felix Tagge was initially conceived in the fifth issue of the 2020 Star Wars: Doctor Aphra comic book series. His formal identification occurred in the 2021 comic book, War of the Bounty Hunters – Boushh 1. Alyssa Wong, the author, presented Felix and Adelaide as Ronen's progenitors, emphasizing their shared "terrible" nature with their offspring.