Gwen Tennyson, Professor Paradox and others in “Ben 10,000 Returns”

Professor Paradox?

Hello children.

Who's your friend?

Are you...?

That's right Ben, I'm you. Only even more awesome. [after shaking Ben's hand] Ben 10,000 at your service.

I've heard about you, you're the jerk from the future.

I'm a different Ben 10,000, but I do remember going to that future back when we were ten. What a buzzkill that guy was!

You're my real future?

Yes. If nothing occurs to change it. That's why I've - bent the rules of time and brought you here