Momo is a character introduced in The Fantasy Animal Safari Park and the Promised Flute.
After Doraemon, Nobita, Shizuka and Unicorn fall on a cliff, Unicorn gave birth to a pink unicorn. Sabu tells Doraemon to name the newly-born unicorn. Doraemon named her Momo.
Doraemon guards Momo and her mother overnight and spots a Centaur lurking near them. He confronts them and reveals themselves as Ken and Ros. They captured the unicorns.
After Doraemon defeated the enemies, he and Momo hugged each other.
She looks like a pink unicorn.