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The Sentry

The Sentry is a Marvel Comics superhero identity used by Robert "Bob" Reynolds.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The Sentry is a Marvel Comics superhero identity used by Robert "Bob" Reynolds. The character debuted in the limited series *The Sentry* #1 in 2000, created by Paul Jenkins and Jae Lee with uncredited conceptual contributions by Rick Veitch. Marvel describes the Sentry as one of Earth's most powerful heroes, with immense abilities tied to solar radiation and the character's mental state.

Publication history

The Sentry first appeared in *The Sentry* #1 in 2000, with Paul Jenkins and Jae Lee credited as creators and Rick Veitch noted for uncredited conceptual contributions. The character was introduced as a previously forgotten figure in Marvel continuity.

Fictional biography

Robert Reynolds became the Sentry after drinking the Golden Sentry Serum. In the character's mythology, the transformation also produced memory loss and a hidden counterpart, the Void.

Powers and abilities

Marvel describes the Sentry as having superhuman strength, speed, intelligence, invulnerability, enhanced senses, energy projection, and flight. Additional descriptions include molecular manipulation and other high-level abilities.

The Void

The Void is the Sentry's dark alter ego and a major part of the character's narrative. It is portrayed as a destructive force that emerges from Reynolds's psyche and is central to the character's psychological conflict.

Key facts

  • The Sentry is a Marvel Comics superhero belonging to Robert Reynolds, first appearing in 2000.
  • The character possesses vast abilities including superhuman strength, flight, and molecular manipulation.
  • The Void is the Sentry's destructive alternate personality, tied to Reynolds's psychological instability.
  • The Sentry's powers are linked to solar radiation and his mental state.

Frequently asked questions

Who is The Sentry?
The Sentry is a Marvel Comics superhero identity belonging to Robert "Bob" Reynolds.
When did The Sentry first appear?
The character first appeared in *The Sentry* #1 in 2000.
Who created The Sentry?
The character was created by Paul Jenkins and Jae Lee, with Rick Veitch credited for uncredited conceptual contributions.
What is The Sentry's main weakness?
The character is strongly tied to psychological instability, especially the presence of the Void, and Marvel notes that his powers depend on his mental state.
What powers does The Sentry have?
Marvel lists superhuman strength, speed, intelligence, invulnerability, enhanced senses, energy projection, and flight, with later material adding molecular manipulation.
What is the Void?
The Void is the Sentry's dark alternate personality and a destructive counterpart within Robert Reynolds's psyche.

References

  1. Marvel Comics
    Supports: Official character overview, powers, origin, and the Void
  2. Marvel Comics
    Supports: Origin story and background of Robert Reynolds as the Sentry