Grim Reaper

The Grim Reaper, better known as Death, is literally a personification of death.

Although without gender, Death usually appears in the form of a man, when assuming human form, but he is often seen as a ghost-like skeleton.

Although he is not the cause of deaths, he is always present, whether its' realized or not, during everyone's passing.

Super powers

 * Cosmic Awareness
 * Immortality

Abilities

 * Genius-Level Intellect

Appearance
Justice League of America (comic book)
 * Issue # 112