Well, yeah. If someone I always thought existed in a fiction movie could actually exist somewhere else, it's possible you could have existed as someone else in a different universe. I already met an alternate version of me. I've met alternate versions of my friends. [And he's even had a hand in creating alternate versions of himself, to some extent.] I mean, meeting yourself is weird, but in most situations, it wouldn't be possible. This place just kind of bends physics.