Straight: Bob single-handedly save the passengers of an out-of-control train. When the news reporter claim him a hero, Bob utter this trope.
Exaggerated: Bob single-handedly save everyone on the planet from a certain death by meteor crash. When the news reporter claim him a hero, Bob goes on a long rant explaining why he's not a hero.
Downplayed: Bob single-handedly save the passengers of an out-of-control train. When the news reporter claim him a hero, Bob says that it's because he has the competence to do so, and it doesn't come out as boasting.
Justified: Bob is a humble person.
Bob is a beta- or even omega-type guy.
Bob doesn't like the responsibilities that will inevitably come to heroes.
Bob's saving the passengers resulted in serious damage, probably the equal amount if he don't save the passengers.
Bob had legitimately self-serving motives for his seeming act of heroism, and spells them out in no uncertain terms. He doesn't really care if a bunch of complete strangers lived or died as a result of his actions.
Inverted: Bob is caught dooming the passengers to a burning trainwreck. When the torch-and-pitchfork mobs come at him, he say "No, I'm not a villain. I Did What I Had to Do." The other option was endangering the lives of people on the route of the train.
Subverted: "I'm not hero, I'm a SUPERHERO. Write THAT down in your newspaper!"
Double Subverted: "...is what I'd like to say, but I guess anyone will do what I do if they were in my position. Think Nothing of it."
Parodied: "I'm not a hero, I'm just a social reject with no jobs, no money, no hope of the future. This is just a momentary flash of altruism in the infinitely cold darkness that is my life. Now if you will excuse me, I'll cut myself."
Zig Zagged: ???
Averted: No one acts like a hero, no one can praise them, thus no one can deny the claim.
Enforced: An Aesop, either about humility, or about being proud of your achievement.
Lampshaded: "You don't seem to be the flashy type, aren't you?"
Invoked: ???
Exploited: The reporter then proceed to barrage Bob with Hannibal Lecture, because she's a minion of Dr. Evulz. It worked.
Defied: "I'm not a hero, I'm-" "He's the hero, folks! Give him an applause!" "Yeah! Bob is the man!" "Guess I'm the hero."
