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Shield Sheldon

From Mega Man Wiki
Maverick Info
MMX6 - Shield Sheldon Art.png
Artwork from Mega Man X6.
Stage portrait(s).
General information
Name(s):Shield Sheldon, Shieldner Sheldon
Group(s):Nightmare Investigators
Appearances:Mega Man X6
Inspiration:Giant clam
Game Info
Weapon(s):X6X6 Guard Shell
Weakness(es):X6 Metal Anchor
X6 Rakukojin
Stage(s):Laser Institute
Voice (JP):Hirotaka Suzuoki

Shield Sheldon, known as Shieldner Sheldon (シールドナー・シェルダン)[1] in Japan, is a Maverick from the X era, appearing as one of the main bosses in Mega Man X6. He is a shield-themed Reploid based on a clam, who attacks with energy barriers and the two halves of his shell. He is a former bodyguard who is now part of the Nightmare Investigators.

In the Games

Mega Man X6

Sprite from Mega Man X6.

Shield Sheldon debuts in Mega Man X6 as one of the eight Mavericks on the Stage Select screen. He serves as the boss of the Laser Institute, observing the Nightmare Lasers. He was built by Gate for security work, assigned as the bodyguard to a respected scientist named Dr. Jim. One day, Dr. Jim went Maverick and became violent, forcing Sheldon to destroy him to defend himself. The Maverick Hunters assumed Sheldon was the Maverick and labeled him as such, driving him to take his own life. However, he was later resurrected by Gate to serve as a Nightmare Investigator.[2]

Shield Sheldon attacks by bouncing his shell around the arena and summoning reflective barriers. Defeating Sheldon grants Guard Shell to both X and Zero. His weakness is the Metal Anchor or Rakukojin from Metal Shark Player, which briefly stuns him. A boss attack rematch with Shield Sheldon later occurs in the ?????? stage.

Other Game Appearances

Other Media

  • In the Archie Mega Man comic, Shield Sheldon appears in the "Worlds Unite" arc as one of the Mavericks resurrected in Sigma's army.

Official Data

Source Data
Rockman X6 manual An armored Reploid who was assigned to guard important people. His excellent work was highly-praised, so he often worked with the directors of various research institutes. Armed with shields that can deflect any attack, he gets the job done without fail.[JP]
Mega Man X6 Boss "Shield Sheldon. Ex-security police. He guarded Dr. Jim who was an important person in the laboratory. Suddenly, Dr. Jim became a Maverick. However, he was unable to control himself. The Maverick Hunters identified Sheldon as a Maverick just because he was created by Gate. Sheldon could not deal with being labeled, so he ended it all." - Alia
Compendium of Rockman X Boss File A Reploid that once fought with the same philosophy as X and Zero. It appears he committed suicide because he could not fulfill his duty as a guard. He has been resurrected by Gate to fulfill his duty as an Investigator.[JP]
Mega Man X Legacy Collection 2 Gallery This well-defended Reploid was formerly tasked with guarding VIPs. His impeccable service record made him highly sought-after as a bodyguard, so he often found himself protecting top-flight researchers belonging to well-funded science organizations. His formidable shields will deflect any attack, making him ideally suited to his job.


Behind the Scenes


Language Name Origin
Japanese Shieldner Sheldon (シールドナー・シェルダン) "Sheldon" is an English name, used for its pun on the word shell.
English Shield Sheldon


  1. R20: Rockman & Rockman X Official Complete Works. 2008.
  2. Boss info, Mega Man X6. 2001.