"Basic Bible Topics" "Counterfeits"

Matthew 24:5: King James Version
5 For many shall come in my name, saying, I am Christ and shall deceive many.
2 Corinthians 11:13-15: King James Version
13 For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
14 And no marvel; for Satan himself is transformed into an angel of light.
15 Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.