a tough guy
A particularly strong, resolute, fearless, and independent man who does not show weakness or emotion and does not rely on or bow down to others. Hyphenated if used as a modifier before a noun. The best tough guys in cinema are those who aren't invincible, but find still find a way to win against all odds. John's always putting on this tough-guy façade, but I know that deep down he's a bit of a coward.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a ˈtough guy(informal) a strong, independent-minded person who seems to be afraid of nothing: The most famous ‘tough guy’ in American movies was John Wayne.
Farlex Partner Idioms Dictionary © Farlex 2017