The ambiguous use of the Tetragrammaton when applied to Jesus in the New Testament is reference to the strange being in the Old Testament who appears to be separate yet co-internal with god. The Jehovah said to Jehovah , the word of the lord , the I have seen the glory of god etc etc.
Please don’t use that “ other “ crap. It makes my skin crawl.
Feel free to fight about it till the end of time but at least try and understand the New Testament narrative. Once you understand the basic story , you will understand how pointless arguing about this all is.