Mr. Sunny is a background character that first appeared in Little Sister, Big Bother. He was voiced by the late Len Carlson in When Mr. Sunny Gets Blue (the only time Mr. Sunny talks). Retrieved from "https://olie.fandom.com/wiki/Mr._Sunny?oldid=21123" Categories: Characters Adults Eyes Mouths Sunnies Community content is available under CC-BY-SA unless otherwise noted.