Roppu-kun Anime Details and Episodes Roppu was a toy abandoned by the child of aliens. He was rediscovered by Roppei, the son of a fisherman. Roppu can fly when the button on his chest on is… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Adventure · Comedy · Sci-Fi · Slice of Life Kids · Robots Art of Yoh Yoshinari: Rough Sketches - Tezuka Characters (Shared Characters)