Guus Kool has made cartoons, comics and illustrations for magazines, newspapers and educational publishers since 1958. He has illustrated children's books, and he drew comics and covers for children's magazines Jippo and Taptoe. Between 1977 and 1980 he made five stories with the character 'Urbanus' (before the Belgian comedian of the same name became famous) for Taptoe. Subsequently he made Taptoe's 1981 backcover gag series 'Mannus'.
His comic 'Modern Times', made in cooperation with editor Tom Overdijk, ran in newspaper Het Parool from November 1972 until 1973, and he also made comics for CJP and the teacher's union. In the 1980s he drew a strip called 'Drs. Katz' for broadcast company VARA. Kool was an art teacher for 20 years. He is co-founder of the Stichting Alphense Ateliers (STAA). Guus Kool passed away in July 2012 at the age of 71.