He gives Eggman the most unamused look ever. Sigh.

"You, cleaning up after yourself? If you ever actually get around to that, I'll be shocked."

Maybe not so much now that Eggman knows that Sonic doesn't want him finding this island, but Sonic's still gonna just act natural and mouth off. Just be cool, don't let Eggman know that he's gotten under his dumb hedgehog skin.

"I think we're getting off track. Shouldn't you be inventing Chaos Batteries or something?"