Do you know this green frog with big eyes and a V-shaped mouth in our fanart Sanrio Keroppi Celebration Sticker? He lives in a big house on Donut Pond with his sister, brother, and parents. The cute frog Keroppi loves to play with a boomerang, sing, swim, and play baseball. Like every creature, he likes to celebrate birthdays or any other holidays. Keroppi the frog enjoys the mood of these holidays and fests.