C3 stands for "Chuyen Su pham (CSP) Cubing Club". Cubing Club Epsilon 2019 in Ann Arbor, Michigan, Michigan. Anthony Michael Brooks is an American speed cubing champion. Cubing Club Epsilon 2019, in Ann Arbor, Michigan. Sue Ellen Cubing, known only as Sue Ellen, is 16 from Iloilo. The name refers to the shape of the indentations left by that process (called "cubing").