Brothers Angus and Malcolm Young formed the group in 1973. Their older sister Margaret saw the initials AC/DC (which stands for “alternating current/direct current”) on a sewing machine. The brothers thought this name summed up their energy. The band is popularly known as ‘Acca Dacca’ in Australia.
Angus Young had adopted his characteristic school-uniform stage outfit. The idea was his sister Margaret’s. Angus had tried other costumes, such as Spider-Man, Zorro, a gorilla, and a parody of Superman, named Super-Ang. In fact in its early days, most members of the band dressed in some form of glam or satin outfit but this approach was abandoned when it was discovered Melbourne band Skyhooks had already adopted this approach to their stage presentation.