궁예
In his later days, Gung Ye proclaimed himself a Buddha and became a tyrant who sentenced death to anyone opposing him, including his own wife. Lady Gang. As a result, in 918 four of his own generals—Hong Yu, Bae Hyeon-gyeong, Shin Sung-gyeom and Bok Ji-gyeom—overthrew Taebong and installed Wang Geon as King Taejo.