The VF-0D Phoenix is a fictional prototype variable fighter from Macross Zero, not a human character. It serves as a highly advanced experimental aircraft developed by the U.N. Spacy and featured prominently in the series as a symbol of cutting-edge aerospace technology. The VF-0D is piloted in combat and test scenarios, showcasing its transformation capabilities and role in the conflict on South Ataria Island. It represents the transition between conventional aircraft and later Variable Fighter designs.