I only met one who I felt wasn't a big disappointment.
I did too. He was humble enough to admit that he didn't have a good answer to the question
Why does the Watchtower write "Samuel" (with quotation marks) in 1 Samuel 28:12-20 (when Saul talks to the ghost of Samuel)?
He was also a great speaker. Children and adults were entertained while they learned Watchtower doctrines. His name was Samuel Izquierdo, a Cuban born residing in the U.S.