Who was fearless fly?

"Fearless Fly" isn't a widely known or established name in any specific context. It's possible you're thinking of something else, or it could be a nickname or a name used in a specific situation.

To help me understand what you're looking for, could you provide more information? For example:

* Where did you hear this name? Was it in a book, a movie, a game, or somewhere else?

* What is the context? What is this person known for? Is it related to a specific event, profession, or location?

* What kind of information are you looking for? Are you looking for a biography, a description of their work, or something else?

The more details you can provide, the better I can help you find the information you're looking for.