Murray Dent was Harvey's older brother. The two brothers had a tense relationship and Murray proved to be a temperamentally difficult child whose constantly misbehavior got Harvey in troubles. When Murray dared his brother to play with matches, the fire got out of control. Harvey couln't put the fire out, got scared and went into shock. Murray died as a result of the arson blaming his younger brother. This tragedy destroyed the Dent's family. Harvey's motherd commited suicide and his father became alcoholic and violent, blaming also Harvey for Murray's death. It is suggested that Murray's death was the moment when Harvey's second personanility was born, taking the personality of his brother in order to torment him and punish him for his cowardice.
Murray Dent was introduced in Batman: Jekyll & Hyde by Paul Jenkins and Jae Lee.