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“I heard somewhere... long ago, a great explorer lived in that house. But his partner's game ended tragically, and now he travels alone. He no longer explores. I don't know what became of that explorer but... I heard of a chap that may be selling the treasure maps the guy left behind! That chap should definitely be underground somewhere. You should try to find him!”
Hatch is a Flopsider in Super Paper Mario. He appears behind Dyllis's restaurant and he's a window shopper who stares at all the goods in shops. He's heard that Heronicus's Flopside counterpart has given maps to Flamm. His Flipside counterpart is Patch.