Who is the Hammer of Heretics?

The "Hammer of Heretics" is a title associated with Saint John of Capistrano, a Franciscan friar and preacher in the 15th century. He was known for his fervent campaigns against heresy, particularly during the rise of the Hussite movement in Bohemia. His zealous efforts to promote Catholic doctrine earned him this moniker, reflecting his role in defending the faith against perceived threats. John of Capistrano is also recognized as a saint in the Catholic Church, with his feast day celebrated on October 23.