Peter Ernst Eiffe (1941–ca. 1982), Eiffe the bear is coming soon., felt-tip graffiti on traffic sign, Börsenbrücke corner Gr. Johannisstr. Hamburg, May 1968.
Before Eiffe, no illegal felt-tip pen and spray can users are known by name in Germany. With the “felt-tip pens” and spray cans introduced in 1967, Eiffe was able to write slogans with unprecedented speed.