Jack Murdock.

About Jack Murdock

Jonathan "Jack" Murdock is a fictional character appearing in American comic books published by Marvel Comics. He was a professional championship Boxer in his day; as well as being the father of Matthew "Matt" Murdock (Daredevil) and his magically created twin brother Michael "Mike" Murdock, and the ex-husband of Maggie Murdock. Jack Murdock was murdered by men of a local gangster, The Fixer, when he refused to throw a fight in front of his son Matt, while Jack was working in secret for the Fixer as one of his thugs. After his Father is murdered, it inspires Matt to use hyper sense powers along with his Martial Arts training to avenge his father's murder as the Superhero Daredevil. Jack Murdock was created by writer-editor Stan Lee and artist Bill Everett. The character first appeared in Daredevil #1.