Greek alphabet tattoos are closely Associated with fraternities and sororities, whose Names are made of a combination of Greek letters. They began as secret societies on college campuses and took the Greek letters to identify themselves. Greek alphabet tattoos Symbolize the principles on which the fraternity or sorority was organized: high ethical conduct, secret rituals and oaths, public service and academics. But mostly, they signify the brother- or sisterhood that comes along with these organizations.