The earliest Gelugpa traditions of Sera Monastery in the 18th Century recognized Dorje Shugden as and Emanation of Buddha Vajrapani. It is only in more recent times that he is seen as an emanation of Buddha Manjushri.
You can check its out for yourselves by googling "Vajrapani and Dorje Shugden" or you can go to
www.dorjeshugdenhistory.org/among-shugden-texts-summary.html or
www.dorjeshugdenhistory.org/among-shugden-texts-1759.html. I will be quoting below from these two articles
The 2nd Reting Rinpoche (1759-1815) declared that Dorje Shugden was and emanation of the Buddha Vajrapani. "He requested Dragri Gyatso Thaye to write the first Gelug Long Ritual (Kangso) for Dorje Shugden.....The Sera (Monastery) tradition of recognizing Dorje Shugden as Vajrapani continued through the rituals of the Sera Tantric College....Finally Serkong Dorje Chang of Ganden Monastery seems to have written
his Kangso in view of this tradition recognizing him as Vajrapani. Not only was Dorje Shugden recognized as Avalokiteshvara and Vajrapani but he was recognized as Manjushri as well. This Tradition is the most popular in contemporary times.......".
So for as far back as the last 1700's Dorje Shugden was seen as a emanation of a Buddha, in this case Buddha Vajrapani. It does not really matter if history has seen Dorje Shugden as either the Buddha Avalokiteshvara or Buddha Vajrapani even as Buddha Manjushri. What matters is that he has been seen as a BUDDHA.
So now we can see the lies of the Dalai Lama and the CTA about Dorje Shugden. They claim he is an evil spirit and the practice of seeing him as an "enlightened being" is only a creation of recent times is a LIE. The practice of Dorje Shugden as an emanation of a Buddha goes as far back as the 18th century.
Dalai Lama STOP LYING. CTA STOP LYING.
Long live Buddha Avalokiteshrvara DORJE SHUGDEN.
Long live Buddha Vajrapani DORJE SHUGDEN.
Long live Buddha Manjushri DORJE SHUGDEN.