June 7, 1971, marked the birth of an island icon. One rainy night after their graduation ceremony, two young people went out to fulfill their part in a local tradition known as “Paint Night.” A rock formation at the corner of Madison and Phelps Road had long been subjected to various graffiti, but Bob Green and Linda Barnes decided it looked like a frog and proceeded to paint it that way. The rocks are technically a glacial erratic, a large boulder left behind by the movement of glaciers. The stones…