
Gray Fly
Gray Fly is the first DIO-aligned Stand-user the Joestar team encounters after leaving Japan — an elderly assassin on the Tokyo-to-Hong Kong flight. His Stand Tower of Gray is a small insect-form Stand that kills passengers without being seen. Defeated by Kakyoin's Hierophant Green in the franchise's first depicted in-flight Stand-vs-Stand confrontation.
Story
Stardust Crusaders
Part 3 · 1989Gray Fly's combat scene on the Tokyo-to-Hong Kong flight is the franchise's first depicted in-flight Stand-vs-Stand confrontation — and the structural opener of Stardust Crusaders' Stand-user antagonist arc proper. Tower of Gray's small insect-form attacks kill multiple passengers before Kakyoin's Hierophant Green identifies the Stand and resolves the combat.
Powers & Abilities
Tower of Gray
StandTower of Gray is a Long-Range Stand in the form of a small insect (stag-beetle-shaped). The Stand attacks at high speed and small size — making conventional Stand-detection difficult — and produces lethal puncture wounds on victims. Named after the Tarot card The Tower (XVI).
Relationships
Trivia
- Gray Fly is the first DIO-aligned Stand-user the Joestar team encounters after leaving Japan.
- Tower of Gray's small insect-form is the franchise's first depicted micro-scale Stand combat sequence.
Frequently Asked Questions
Who is Gray Fly?
Gray Fly is the first DIO-aligned Stand-user the Joestar team encounters — an elderly assassin on the Tokyo-to-Hong Kong flight with the insect-form Stand Tower of Gray. Killed by Kakyoin's Hierophant Green.





