Snowball is a highly advanced robot created by the scientist Mei-Ling Zhou. Originally designed to assist with research in extreme climates, Snowball quickly developed unique traits that set it apart from typical machines. With a playful demeanor and a loyal heart, this little robot seeks to understand the world around it while supporting Mei in her adventures. Snowball's primary function is to help Mei navigate exactly what she needs, making it a vital companion against the backdrop of a desolate environment. Its quick-witted nature and ability to gather and analyze data add depth to its character, turning it into more than just a simple device; it embodies the spirit of exploration and friendship.