Sentry is a superhero appearing in American comic books published by Marvel Comics. Created by Paul Jenkins and Jae Lee, with uncredited conceptual contributions by Rick Veitch, the character first appeared in The Sentry #1.

Paul Jenkins is a British comic book writer, screenwriter, novelist, and narrative director. He has had much success crossing over into the American comic book market. Primarily working for Marvel Comics, Jenkins had a big part shaping the characters of the company, helping via the Marvel Knights imprint to propel Marvel from Chapter 11 bankruptcy before choosing to focus on independent publications. He is also noted for his groundbreaking narrative work in the field of video games, and is recognized as one of the world's preeminent "cross-media" creators for his work across such multiple media as animation, video games, comic books, and film.