Link isn't unfamiliar with having an identity crisis. After all, there was a time not too long ago when most people would be surprised to learn that Link wasn't actually named "Zelda." That confusion was valid in the early days of the Legend of Zelda series before Link was a household name. Despite how recognizable he has become, there is still a fact about Link's identity that remains largely mysterious and even debated among hardcore fans—that is, whether every Link from every Zelda game is the same person.
Source：https://www.cbr.com/zelda-every-link-comparison/
