High Quality Content by WIKIPEDIA articles! Michael Alfred "Mike" Warnke (born November 19, 1946, in Evansville, Indiana) is a Christian evangelist and comedian. With the success of his books and recordings, Warnke became one of evangelical Christianity`s best-known experts on the subject of Satanism before his claims of having been a Satanist high priest were discredited in 1991 by the Christian magazine, Cornerstone.