The crossword solutions for the term MERCURY OR MARS, E.G. are MUSICIAN (8 letters) and GOD (3 letters). Mercury and Mars are two of the major gods in Roman mythology, often associated with music and musicians. Mercury was the GOD of commerce, travel, and thievery, and was also known as the messenger of the gods. He was often depicted carrying a lyre or a flute. Mars was the GOD of war and was often associated with battle and violence. He was also known as the father of Romulus and Remus, the legendary founders of Rome.