Atwillian

Noun: an atheist or any radical non-Christian that holds to the theory by Joseph Atwill that Jesus was a Roman invention (called Caesar's messiah). A delusional theory, comparable to QAnon, the theory is mainly fuelled by anti-Christian bias. Most Atwillians usually have no understanding of Roman history, culture, politics and religion and only believing the theory based on vague correlations or downright misinformation.