Pon Pon Hieta (ぽんぽんひえた, Pon Pon Hieta) is a human boy Sanrio character who holds a popsicle. He loves ice cream and eats it so much that he gets stomach aches!
"Pon Pon" is a simplistic Japanese phrase which means stomach while "Hieta" means to get cold. Put together, Pon Pon Hieta refers to how Hieta constantly gets stomach aches from his stomach getting too cold from all the ice cream he consumes.
- Hieta's quote refers to how in Japan there's certain types of ice cream bars and popsicles where, if you get one which reads "Winner" on the stick, you get another one for free.