So-So is a Hanna-Barbera character. He was voiced by Don Messick.
So-So appears in Jellystone!, where alongside Peter Potamus are portrayed as otakus. He is voiced by George Takei.
About So-So[]
He is a monkey exploring the world in Peter Potamus' time-traveling hot air balloon.
In Jellystone!, So-So is portrayed as a silent character until the episode Balloon Kids in where he is revealed to be a trickster mentor.