Personal Info:
Real Name: Robert Reynolds
Also Known As: Death
Place Of Birth: Unknown
First Appearance: Sentry Vol.1 #1 (2000) Modern Age Villain
Known Associates: Apocalypse Twins, Daken, Grim Reaper, Banshee
Group Affiliation: Horsemen of Death; formerly Dark Avengers, Mighty Avengers, New Avengers, partner of Scout
Base Of Operations: The Watchtower
Grudges: Uncanny Avengers
Creators: Paul Jenkins and Jae Lee
Gallery: Click
Chemically Enhanced Physiology: The Sentry's superhuman powers and abilities derive from the Super Soldier Serum as the serum was increased thousands of times and altered making it much more potent. The experimental serum creates a phase-shift in his molecules, causing the Sentry to become partially out of synch with normal reality. The serum induces a photosynthetic reaction, resulting in a hyper-state of consciousness. Though most of his powers and their limits are still unknown, the Sentry has been said to have the power of a million exploding suns and is one of the most powerful beings in the universe. The Sentry has displayed the following abilities: Vast super human strength, speed, agility endurance and durability. Molecular manipulation, super human senses, flight, invulnerability, light projection, energy blasts, vast psionic abilities and the ability to resurrect beings..
When Robert Reynolds, the hero known as the Sentry, discovered that his arch-enemy the Void was actually part of his own repressed personality, he had all his memories of the Sentry erased from the world, and from his own mind. When the memories began to return, Reynolds transformed into the Sentry once more, enlisting the help of other heroes against the Void. He wound up re-erasing himself. Reynolds later turned op on the Raft super-prison when Electro started a jailbreak, and he joined the Avengers in trying to stop it.
The Sentry became a full member of the Avengers but still continued to battle his own demons. Unfortunately, the Avengers came under the control of Norman Osborn, who continually manipulated him, eventually allowing the Void to take control.
During the Siege event, the Void fully emerged and raised Asgard to the ground and was in turn killed by Thor. Thor then threw the body into the sun.
The Sentry was brought back to life by the Apocalypse Twins, using both the Life Seed and Death Seed, in order to serve, alongside Banshee, Grim Reaper and Daken, as one of their Horsemen of Death.
Sentry at Marvel.Com
Sentry at Marvel Database
Sentry at Comic Vine