Michele Rech (Italian pronunciation: [mi'k??le 'r?k]; born December 12, 1983), known as Zerocalcare (IPA: [?dz?rokal'ka?re]), is an Italian cartoonist.
His pen name, literally meaning "zero limescale", was inspired by an Italian TV commercial jingle for a descaler product because he had to choose a nickname to quickly join a discussion on Internet.