Why would Jehovah God say "I am the Lord, that is my name" Are there not many Lords?

Jehovah is the only true God and Lord. Rev. 19:1,3,4,6 Hallelujah means Jehovah. By the comments you are getting it seems that these people do not have any knowledge of the Bible whatsoever. They delight themselves only in lip service.Matthew 15:7,8 Actions speak stronger then words. James 2:18