in ArtCartoon Skull Masks By Jannis Markopoulos by Flynn Matthews 2012-10-10, 6:08 PMupdated 2017-12-29, 2:19 PM During a recent trip to Berlin, Trendland’s Cyril Foiret obtained exclusive images of Jannis Markopoulos’ canvas Cartoon Skull Masks. The designs are extremely cool and highly appropriate for Halloween.