Jack Thomas Chick (April 13th, 1924 - October 23rd, 2016) was a controversial American Evangelical Christian cartoonist who produced religious tracts. According to the Jack Chick publications website, hundreds of millions of copies of Chick tracts have been read worldwide. Jack Chick himself had limited interaction with the public, leading to speculation that he was a pen name for several unnamed authors and artists. He died on October 23rd, 2016 at the age of 92. 
His works are featured in "Chick Tracts," inexpensive comic books designed to be left in public places and to reach out to people who might be passing by. A major theme in his tracts are emotionally wrought portrayals of God's perfect love for his children alongside somewhat more violent images, like homosexuals writhing in agony while being burned alive in the streets of Sodom and Gomorrah. Chick tracts take a Fundamentalist approach to the Bible, with an emphasis on the act of becoming saved. Also, Chick tracts emphasize that becoming saved is something that can be done at any time during one's life, whether that person is a small child or a death row inmate minutes from execution. He is also a member of the King James Only movement, which believes in the superiority of the KJV over other English translations of the Bible.
Some recurring themes include non-Christian characters being converted at the end of the tract, Chick's belief that the Roman Catholic Church is a tool of Satan, battles over human salvation between angels and demons, arguments for evolution being presented by old, aggressive and quick to anger teachers, the use of an 'accept Christ' form at the end of tracts, and suggestions of demonic influence in even comparatively minor events such as the creation of TV series Bewitched.
As a confessing Christian, Chick opposed the views of those who do not have a biblical worldview, including Jews, Muslims, Roman Catholics, Freemasons, Jehovah's Witnesses, Mormons, Buddhists, Hindus, people that practice witchcraft, homosexuals, evolutionists, Dungeons and Dragons players, and Rock n' Roll fans, which can be seen in his tracks. In response to claim that he hates these individuals, Chick has responded that this is not the case, but rather that he hates the system they belong to, which is feverishly working to win millions of souls for Satan.
Many Chick tracts depict unrealistic plots to help make their points. Often, Chick tracts depict children in elementary school who have never heard of Jesus, or purport that it is illegal to even discuss religion at all in school.
Several Chick tracts - including most famously "Lisa" (currently out of print), in which a father is heavily implied to have had sex with his preteen daughter and even given her an STD - depict morally-heinous actions as being instantly forgiven through the power of prayer or some similar action. While God does forgive even the most heinous sinners, it cannot be denied that tracts such as "Lisa" and similar present such earthly sins as being of little import to others. Other tracts imply that is somehow "normal" for Christian parents to not mourn the death of their child if the child was not themselves a Christian.