John McClane Sr. is a fictional character and the protagonist of the Die Hard franchise, which is based on Joe Leland from Roderick Thorp's action novel Nothing Lasts Forever. McClane was portrayed in all five films by American actor Bruce Willis, and he is known for his sardonic one-liners, including the famous catchphrase in every Die Hard film: "Yippee-ki-yay, motherfucker". Per the franchise's name, McClane confounds repeated attempts to kill him by driving his enemies to distraction and adding up and exploiting dumb luck. Character portrayal.
https://en.wikipedia.org/wiki/John_McClane