Matej Ilčík is a Slovak illustrator and graphic designer. Since 2014, he has been creating digital tools with an analogue look under his Guerillacraft brand. He is the author of a number of children's books, a regular contributor to the Slovak children's magazine Bublina, and an occasional contributor to the children's magazine Raketa, which is published in Czechia. He is also a member of ASIL – the Association of Slovak Illustrators.
For the Kher publishing house, he illustrated Eva Danišová's book Jekh, duj, trin! Jak jedna malá žabka dohopkala do školy (One, Two, Three! A Little Frog is Skipping to School, 30 Best Books for Children and Young People).
More on his personal website https://matejilcik.com/work
Photo: the author's private archive