"So-So"@en . . "So-So the monkey (voiced by Don Messick) is exploring the world in Peter Potamus' time-traveling hot air balloon. This article is a . You can help My English Wiki by expanding it."@en . . . "So-So the monkey (voiced by Don Messick) is exploring the world in Peter Potamus' time-traveling hot air balloon. This article is a . You can help My English Wiki by expanding it."@en . .