Elton John's is a British singer, songwriter, pianist, and composer who has been active since the 1960s. His stage name, Elton's Johns, is derived from his real name, Reginald Kenneth Dwight. The crossword solution for Elton's Johns is LOOS, which is an acronym for 'Love of One's Self'. This phrase is often used to describe Elton John's music, which is known for its positive messages about self-love and acceptance.