Who are the various alien races we call on Earth the “Nordics”, and what are their agendas? We call them as such because they look like Scandinavian people; tall, with blond hair, fair skin, blue eyes, and there is a lot of confusion about them, because those who had experiences with them tell divergent stories, with either fortunate or deceiving contacts. So why is that? The answer is: there are many types of them, and they follow diverse agendas related to the different groups. Some of these blond humanoid-looking aliens are involved in malevolent agendas, not serving the good of humanity, while some others are active in benevolent and protective programs. It may appear difficult, at first sight, to differentiate them, and even more to guess who is nice or who is going to get you in trouble.
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POSITIVE agendas:

-Taygeta & Maya Ahil – Pleiades (GFW member). Creators and main administrators of the Galactic Federation of Worlds, benevolent organization that was created after the defeat of the populations of the Orion Zone against the Nebu, to protect the oppressed, bring peace, justice and balance in the galaxy.
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NEGATIVE agendas:

Antarctica Fourth Reich Nachtwaffen aka DARK FLEET - Earth. Actual Germanic people selected for their certain type of Aryan or "Nordic-looking" genetics, flying in Haunebu crafts and pretending to be extraterrestrials from Venus or the Pleiades to hide these technologies in plain sight. Naming themselves "Space Brothers", they were involved for instance in the Adamski case. Many Contactees were claiming in that period (1950’s) to be in contact with “German-speaking extraterrestrials”, even some wearing NAZI uniforms. This deception was supported by MJ-12 and the Vatican. <...> In the famous Betty and Barney Hill case of alien abduction, Barney describes under hypnosis the presence of a Nazi officer onboard the craft, alongside with Zeta Reticuli Grays.