[Laughter's good to hear, after all that. Papyrus pauses a second to think, then arranges his answer to try inspiring more.]

Oh, there's at least two more. One looks incredibly human, except he has little lights in his head. And the other... He's the sexiest rectangle you'll ever meet!

When he's not being, uh, humanoid.

[Papyrus is still so used to his favorite celebrity's box-bot mode that he forgets, sometimes, that Mettaton can change between two forms.]

Either way! There's no mistaking him for a robot.