Ulrich Steinfurth (26 December 1946 – 28 August 2020), better known as Uli Stein, was a German cartoonist. He was born in Hanover, Lower Saxony. Stein's cartoons mainly focus on day-to-day-situations, often with anthropomorphic mice, cats, dogs, penguins and pigs. By 2008, Stein had sold more than 90 million postcards and 9 million books in Germany alone.