Rev. Hyung Jin Sean Moon was born in Tarrytown, New York, as the youngest son of Rev. Sun Myung Moon. His father, the founder of the Holy Spirit Association for Unification of World Christianity (also known as theUnification Church). Born in North Korea in 1920, Rev. Moon suffered under bothJapanese and Communist oppression and was imprisoned and tortured seven times.During the Korean War, on the day prior to his execution in a North Koreandeath camp, he was liberated by U.S. armed forces. Communism’s evils galvanizedhis resolve to educate thousands of leaders in the U.S. and around the worldabout this threat to our freedoms, and to create the first “alternative news”outlet, The Washington Times newspaper.

Hyung Jin Moon earned his Bachelor of Liberal Arts and Master of Theology degrees from Harvard. He studied Buddhism, but became convinced that Christianity revealed the true nature of the loving God who created the universe. In 2009, his father officially crowned him as his heir and successorin three separate ceremonies in Korea and in New York City. Following hisfather's death in September, 2012, Hyung Jin Moon expressed disapproval to hismother, Hak Ja Han, for corrupting the theological foundations of the church’s Christian teachings and for elevating her own status. She usurped her son’ sinherited positions and ousted him from the Family Federation for World Peace. To reestablish the lost foundation of his Father, Moon moved to PA with hisbrother, Justin Moon (owner of Kahr Arms) in April 2013.

Currently, Moon continues as his father's successor through the World Peace and Unification Sanctuary ministry. In 2015, he published" Constitution of the United States of Cheon Il Guk," which lays out the political structure for the future Kingdom of God on earth, which is one oflimited government and God-given freedoms. Sanctuary Church and the Rod of Iron Ministry gained national attention in February 2018 when Moon and his wife presided over a marriage vows renewal ceremony where participants wearing crowns carried their AR-15 rifles, representing the biblical “rod of iron” as cited in Psalms, the Book of Revelation, and other biblical passages. Moon holds a black belt in the Gracie line of Brazilian Jiu Jitsu and trains students in the warrior arts—Jiu Jitsu, kali scrima knife practice, firearms drills, bushcrafting and survivalist training—to fortify America’s “sheepdog culture.”

In 2023 he took to the stage under the name"King BulletHead." As a Christian conservative pastor rapper, KingBulletHead has used his platform to spread the gospel and expose the satanic forces plaguing the world. Despite constant attempts by social media platforms to silence him, the King BulletHead album, "MAGA KINGDOM" has risen to the top 2 on Amazons top 100 Hip Hop Album chart.