Be a Buff, Angry "Wizard"
You're a wizard! Perhaps you went to wizarding school on a football scholarship or just picked up a book at the gym and started reading. No matter how you got here, you're a wizard, one that just coincidentally has massive, rippling muscles. You have the big dumb hat and the book filled with gibberish and everything!
You gently remind others, often by beating them to a pulp and cracking their bones, that your magical powers shouldn't be questioned. You're a good wizard—the best one, even! And only a fool would say otherwise.
[see Unarguable Wizardry]
[see "Cantrips"]