Dolf is Alfred's enemy. He is the leader of the 'Kraaienpartij' (National Crows' Party). He is a brute figure who is only interested in power. Although he wears a Napoleonic uniform, Dolf clearly depicts Adolf Hitler (Dolf, short for Adolf, was a popular Dutch child name for people who supported the NSDAP during World War II). Dolf is called Kra in the German version.

(Source: Wikipedia)