He originally lived as a character in the story of Momotaro The Peach Boy. In the original Momotaro fable, he was born from a large peach which floats down a river and is found by an elderly couple who have no children.
The Birth of Arale
Main article: Volume 1: The Birth of Arale
In Here Comes Arale, he is seen on Arale's first day of school at P.E. class where he witnesses Arale throw a ball really far and at the end of the school day getting ready to leave.
Arale on the Loose
In The Fairy Tale Machine, Arale goes into Momotaro's story and interrupts the story and ends up pulling him outside of it never returning and living in Penguin Village.
- Arale is dressed like Momotaro on the cover of the chapter The Ogre-King Gyaska.
- Piccolo's birth in the Dragon Ball episode "Lost and Found" is similar to that of Momotaro.