(is taught.)
2 Thessalonians 2:3-4
New International Version
3 Don’t let anyone deceive you in any way, for that day will not come until the rebellion occurs and the Man of Lawlessness is revealed, the man doomed to destruction.
4 He will oppose and will exalt himself over everything that is called God or is worshiped, so that he sets himself up in God’s temple, proclaiming himself to be God.
https://www.biblegateway.com/passage/?search=2+Thessalonians+2%3A3-4&version=NIV
That sounds like the pope.