Yaya

Yaya (ヤヤ) is a human resident of Mazuri that appears in Sonic Unleashed. She is the youngest daughter of Essie and the sister of Kwod and six other unknown siblings. She is a extremely shy and bashful girl, so much that she rarely speaks and everytime she meets someone, she will immediately try to hide.

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''Essie's youngest daughter, a tyke so bashful she'll take off at so much as a hello. According to Essie, Yaya has always been that way: right after the girl was born, she let out a tiny wail and clammed up a second later like she was embarrassed. ''