The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

Plush polar bear with penguin art floats as Fram2 zero-g indicator in polar orbit

Source: space
Source Link: https://www.space.com/space-exploration/private-spaceflight/plush-polar-bear-with-penguin-art-floats-as-fram2-zero-g-indicator-in-polar-orbit