The term 'good guy' can be defined by five different crossword solutions: HERO (4 letters), EGG (3 letters), BUDDY (5 letters), MENSCH (6 letters), and WHITEHAT (8 letters). A HERO is a person who is admired for their courage, noble qualities, and achievements. An EGG is a symbol of new life and often represents hope and potential. A BUDDY is a close friend or companion. Mensch is a Yiddish word that means a person of integrity and honor. Finally, a whitehat is a computer security expert who specializes in preventing malicious attacks. All of these terms can be used to describe a good guy, someone who is brave, loyal, honest, and helpful.