| Alias |
|
| Harm | |
| Nick Name | |
| | | |
| Civilian ID | |
| Billy Hayes | |
| Occupation | |
| Aspiring Supervillain | |
| Legal Status | |
| Presumed deceased citizen of the United States. | |
| Nation or Planet of Origin | |
| United States | |
| Group Affiliation | |
| None | |
| Base of Operations | |
| United States | |
| Height | |
| 6' 1" | |
| Weight | |
| 200 lbs. | |
| Eye Color | |
|
Billy: Hazel Harm: Red |
|
| Hair Color | |
|
Billy: Brown Harm: Black |
|
| Skin Tone | |
|
Billy: Caucasian Harm: Grey |
|
| Known Powers | |
| Mystically altered human
with superhuman strength, speed, stamina, agility and durablity. Genius level intelligence with skills as an engineer. Excellent hand-to-hand combatant and swordsman. |
|
| Accessories | |
| Book of the Blood:
Record superhumans defeated and their powers. Harm-Mobile: Armored vehicle equipped with a vide array of weapons and computer systems. Sword: Bladed weapon equipped with knockout gas and electroshock capabilities. |
|
| Common Enemies | |
| Young Justice | |
| Regularly Appearing | |
| Young Justice | |
| First Appearance | |
| Young Justice #4 (Jan. 1999) | |
| Creator | |
| Peter David & Todd Nauck | |
| Origin | |
| Aspiring to be the world
greatest villain, the teenager known as Billy Hayes sacrificed his sister
Greta (Secret) to
the the demon Buzz. After injuring Arrowette, he sent a challenge to Young Justice to stay out of Harm's way. |