Keroppi was brought to the world by Sanrio in 1987. His character profile is as follows: Real Name: Hasu No Ue Keroppi (Keroppi on the Lily Pad) Birthday: July 10 Always off on an adventure, this fearless, fun-loving frog is the star of Donut Pond. Keroppi lives there with his siblings Koroppi and Pikki (They are triplets). Singing and swimming are his specialties.