keroppi Hasunoue (はすの上 けろっぴ Hasunoue Keroppi?) is a frog character with large eyes and a V-shaped mouth. keroppi loves adventure, and his bubbly personality makes him popular around Donut Pond. He has a brother called Koroppi and a sister called Pikki. Most often he is seen with his little caracol friend guarida, den Den, always tagging along a little behind. keroppi is a fantastic swimmer and singer (but not at the same time.) keroppi has appeared in two video games: Kero Kero keroppi no Bouken Nikki and Kero Kero keroppi no Daibouken. keroppi was created in 1987 and his birthday is on July 10. His hometown is Donut Pond