Hennessy is a female-presenting adult character. She possesses distinctive yellow eyes and black hair cut to chin length. Her design includes no animal ear features. Her background story, development across any Macross 7 Plus seasons, movies, OVAs, or spin-offs remains undocumented. Similarly, no specific roles, relationships, or narrative arcs within the official Macross 7 Plus media have been documented. Information regarding her story, abilities, or appearances beyond these basic physical traits is unavailable.