Hero

a man distinguished by exceptional courage and nobility and strength

the principal character in a play or movie or novel or poem

someone who fights for a cause

Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)

(classical mythology) a being of great strength and courage celebrated for bold exploits

(Greek mythology) priestess of Aphrodite who killed herself when her lover Leander drowned while trying to swim the Hellespont to see her

a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments)