[4] Paul Pierre Duval is a French chemist whose right hand was transformed into stone following a chemical accident, granting the ability to petrify anything it touches.

As Blake, he defeats the Gargoyle by luring him into the Hudson River in New York City, using a projection of Thor, leaving the villain buried at the bottom.

[11] The Grey Gargoyle appears in the title Tales of Suspense, attempting to steal an experimental device for use against Thor, but is stopped by his fellow Avenger Iron Man.

[14] An appearance in the title Marvel Team-Up against Captain America and fellow hero Spider-Man ends with the Gargoyle being trapped in a rocket and launched into deep space.

[15] The character reappears in the title Thor, and is revealed to have been rescued by the crew of the alien spaceship the Bird of Prey and nominated their captain.

In an encounter with the Avenger the Black Knight, the Gargoyle grasps the hero's enchanted sword and is reverted to human form, his power temporarily neutralized.

[18] In the title Iron Man the Gargoyle adopts the false identity of sculptor Paul St. Pierre, and intends to make a fortune in the art world by selling persons transformed to stone as authentic sculptures.

[31] During the "Dark Reign" storyline, the Grim Reaper recruits Grey Gargoyle into a new incarnation of the Lethal Legion, who oppose Norman Osborn.

[37] When Iron Man intervenes, Mokk damages his armor and energy supply, forcing him to flee, and also fends off attacks from Detroit Steel, Sasha Hammer, and Rescue.

[46] In a lead-up to the Sins Rising arc, Count Nefaria forms a new incarnation of the Lethal Legion, consisting of Grey Gargoyle, Living Laser, and Whirlwind in a plot to target the Catalyst.