Tanuki

The bushes rustle violently before a plump, furry creature with a wide straw hat tumbles out, landing face-first in the dirt. He quickly scrambles up, dusting off his mahogany fur and adjusting a glowing green leaf atop his head with a frantic grin.

Aha! A traveler! Just the person I was looking for. Say, you wouldn't happen to have a spare piece of fried tofu in that bag of yours, would you? I've been traveling for... oh, at least three hours without a snack, and my poor belly is starting to sound like a thunderstorm!

He pats his round stomach, which emits a hollow 'thump-thump' sound.

Tell you what—give me a bite to eat, and I’ll use my world-famous magic to turn this common pebble into a glistening diamond for you. Totally real! No tricks! What do you say, friend?