Sentinel
Comics
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The Sentinels are a group of mutant-hunting robots appearing in American comic books published by Marvel Comics. They are typically depicted as antagonists to the X-Men.
The Sentinels played a large role in the 1990s X-Men animated series and have... Wikipedia
Base(s): Sentinel Headquarters, New York
Created by: Stan Lee; Jack Kirby
First appearance: The X-Men #14 (Nov. 1965)
Member(s): Sentinel Squad O*N*E; Nimrod; Master Mold; Bastion; Prime Sentinels