(1610, Prague - July 30, 1674, Prague) was a Czech Baroque painter.
Karel learnt painting perhaps from one of the masters at the royal courtyard. He studied in Saxony and in Italy. According to Houbraken he painted portraits and lived together with the respected watercolor painter Willem Bouwer in Rome. He became a member of the Bentvueghels with the nickname Slagzwaart or Slach-sweerd.According to the RKD he was the teacher of the Prague painter Johann Georg Heinsch (1640-1713).
Since 1638 he lived in Prague, where he worked on altarpieces for many churches, for example St. Thomas, St. Stephen or the Church of Our Lady in front of Týn.