Donadona

A Sweetspet made of Doughnuts, DonaDona is a brown golden hamster with a white belly, Doughnut-like ears and tail and has several Doughnuts on its limbs who wears a Doughnut Jewel Necklace. He debuted in Jewelpet Sunshine during the Christmas Party after Ruby's friends saved Sakuran's life. He gets a minor role in Kira Deco but plays a more prominent role in Sweets Dance Princess as one of the Sweetspets who befriended Park.

(Source: Wikipedia, edited)