The Rider of the White Horse - Alberto Rivera (1935 - 1997)

Alberto Rivera speaks on Revelation and Prophecy (more like a sermon) on "The Rider of the White Horse"
KJV 6:1 And I saw when the Lamb opened one of the seals, and I heard, as it were the noise of thunder, one of the four beasts saying, Come and see. 2 And I saw, and behold a white horse: and he that sat on him had a bow; and a crown was given unto him: and he went forth conquering, and to conquer.
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Alberto Magno Rivera Romero (September 19, 1935 – June 20, 1997) was an (anti-Catholic religious activist) who was the source of many of the conspiracy theories about the Vatican espoused by fundamentalist Christian author Jack Chick. (Chick Tracts)
Chick promised to promote Rivera's testimony even after he died. Rivera claimed to have been a Jesuit before becoming a Fundamentalist Protestant, and many of the stories Chick published about Rivera involved Jesuit activities.
Presence in "Chick Tracts" - Six of Jack Chick's comics feature Rivera specifically: Alberto, Double Cross, The Godfathers, The Force, Four Horsemen, and The Prophet. He also wrote the introduction to Chick's republication of The Secret History of the Jesuits by Edmond Paris.

Rivera also made several allegations about Islam, which he did not offer proof for. This includes allegations that Muhammad was manipulated by the Catholic Church to create Islam and destroy the Jews and other groups of Christians, and that Muhammad's first wife Khadijah bint Khuwaylid, was actually a Catholic nun in an Arabian monastery, who was told by a bishop to marry Muhammad and create Islam. Rivera also alleged that the Vatican staged an apparition at Fátima (named after Fatimah, daughter of Muhammad) to cultivate favor with Muslims. He further says that it also staged the 1981 assassination attempt on Pope John Paul II using a Muslim as the marksman "to guilt-induce the Muslim world, bringing them still closer to the Catholic faith!"
Chick promised to promote Rivera's testimony even after he died. Rivera claimed to have been a Jesuit before becoming a Fundamentalist Protestant, and many of the stories Chick published about Rivera involved Jesuit activities.
Presence in "Chick Tracts" - Six of Jack Chick's comics feature Rivera specifically: Alberto, Double Cross, The Godfathers, The Force, Four Horsemen, and The Prophet. He also wrote the introduction to Chick's republication of The Secret History of the Jesuits by Edmond Paris.