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Hitler's ideal Aryan / Nordic appearance was: tall, blond, blue eyed, broad shouldered.

Hitler's own appearance was: short, dark haired, brown eyed, slight and slumpy shoulders.

And most of the Nazi leadership came up pretty short on Aryan / Nordic features. Did they ever address this? Did anyone else ever bring it up or point a finger about it?

For once that was an ideal. And a goal. To be restored. By racial breeding and struggle. And it was readily apparent to really everyone that not every German was blonde.

That said, Hitler himself was not a "perfect example", but he also wasn't the complete opposite of that concept either, as he had blue eyes:

Further more the equation Germans=Aryans is not what was proclaimed to be the case in the first place:

To which race do Europe’s peoples belong?

The peoples of Europe do not belong to a particular race, but are rather a racial mixture. Our German people is comprised primarily of six races.

And what are they?

The Nordic, the Pfalzish (fälische), the Western (westliche) the East Baltic (ostbaltische), the Ostic (ostische), and the Dinarish (dinarische) races.

The German people is, along with the English, Danish, Norwegian, and Swedish, the most racially pure of the European peoples. With regards to the purity of language, the Scandinavian peoples are in first place.

Werner May, Deutscher National-Katechismus 2nd edition (Breslau: Verlag von Heinrich Handel, 1934), pp. 22-26. (Quoted here: The German National Catechism)

And within this 'system' Hitler may be grouped into x% Nordic, y% Dinaric or Ostisch (alpine) and some other colours. That is Southern branch Aryan mainly, not pure, not ideal, but OK. And bein a Führer should clearly indicate that the Nordic component is, well, "dominant"?

Q Did they ever address this?

Sometimes they did.
During his table-talks Hitler mentioned that for example among ancient Germans it was known that already among the Goths they were known to have non-blondes as well.

The man said this:

Wir alle leiden am Siechtum des gemischten, verdorbenen Blutes. Wie können wir uns reinigen und sühnen? … Das ewige Leben, das der Gral verleiht, gilt nur den wirklich Reinen, Adligen!" (src)

(Translation: We all suffer from the infirmity of mixed, corrupt blood. How can we purify and atone for ourselves? ... The eternal life which the Grail bestows is only for the truly pure, nobles!

The director of the "Institute for Knowledge of the Human Kind" (his own private invention) wrote like a theoretical mathematician:

Den Gedanken, daß Hitler ein Ausländer ist und von der gegnerischen Presse jahrelang als Ausländer beschrieben und in gemeinst verfälschten Bildern gezeigt wurde, möchte ich somit restlos beseitigt haben. Hitler ist blond, hat rosige Haut, ist also rein (arisch-) germanischer Natur, und alle anderen Verbreitungen über sein Aussehen und seine Persönlichkeit hat die schwarze und rote Presse in die Volksseele gesät, was ich hiermit
richtiggestellt haben möchte.

(Translation:

The idea that Hitler was a foreigner and that for years the opposing press had described him as a foreigner and shown him in meanly falsified pictures, I would like to have thus completely eliminated. Hitler is blonde, has rosy skin, is thus pure (Aryan) Germanic in nature, and all other propaganda about his appearance and personality has been sown into the soul of the people by the black and red press, which I would like to have corrected here.

_{Tobias Ronge: "Das Bild des Herrschers in Malerei und Grafik des Nationalsozialismus: eine Untersuchung zur Ikonografie von Führer- und Funktionärsbildern im Dritten Reich", LIT: Münster, 2010, p 242.}

See, that was easy.

Problem solved by scientist.

More general information on the 'exact' definitions (they are all incongruent and convoluted, with competing theories that cannot be reconciled) a nazi centric starting point would be Hans F. K. Günther who wrote Rassenkunde des deutschen Volkes.

Q Did anyone else ever bring it up or point a finger about it?

Others did that offensively.

A well known political whisper joke during the 1930s was

"Wie sieht ein echter Arier aus? –– Blond wie Hitler, groß wie Goebbels und schlank wie Göring und keusch wie Röhm!

What does the ideal Aryan look like? –– Blond like Hitler, tall like Goebbels, slim like Göring and chaste like Röhm.

This German joke was then picked up for propaganda by "others":

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