Sheriff Amanda Sue "Mandy" Collins (born June 24, 1950, in Woodland Trust, London, England, United Kingdom) is an English musician and singer-songwriter, better known as the lead guitarist and one of the backup singers and founders of the Hyper Girls. She is so famous for playing guitars, singing, and writing songs and books for the people of the world who are watching her play, and she is so talented at it. In 2014, she left the band to star in the Angelina Ballerina special, Angelina's New Friend, and work on her solo career and another band. She is replaced by Australian punk guitarist Lily Jane Hamilton.