Perhaps it isn't surprising that Hitler hated cats - probably cats hated Hitler. It is suggested that he may have been scratched as a child and held a grudge from then - a shame it wasn't a more vicious scratch. Nonetheless that doesn't stop cat owners constantly showing off their cats that have a Hitlerian appearance. One of the most famous was Kitler who was in the care of the Wood Green Animal Shelter in the UK.
This may be a Hitler look alike but has a very warm disposition to all - not in the slightest like Hitler. www.woodgreen.org.uk