Joop Löbler attended the Art School in his birth city Amsterdam. He drew the comic strip 'Paultje' for De Spiegel in 1948 and contributed to Margriet Winterboek by De Geïllustreerde Pers. In the 1950s, he drew the strip 'Katrolientje' in Katroflitsen, the advertising publication of the office supplies store Kartro in Amsterdam. He was additionally a book illustrator for publishers by Mulder in Amsterdam. He is author of books like 'Het Wonderlijke Avontuur van Grompelstomp en Rappelstap'.