小罗伊·威廉·托马斯（Roy William Thomas Jr.，1940年11月22日-），美国漫画作家、编辑，是斯坦·李担任漫威漫画主编的第一位继任者。他最出名的可能是将低俗杂志英雄野蛮人柯南引入美国漫画，该系列增加了罗伯特·霍华德角色的故事情节，并帮助在漫画中掀起了剑和巫术的潮流。托马斯还以对黄金时代漫画英雄的拥护而闻名——尤其是 1940 年代的超级英雄团队美国正义协会——以及漫威的 X 战警和复仇者联盟以及 DC 漫画的全明星中队等作品的长时间写作。

他共同创作的漫画角色包括金刚狼、幻视、参孙博士、卡罗尔·丹弗斯、卢克·凯奇、铁拳、奥创、黄夹克、捍卫者、Man-Thing、Red Sonja、Morbius、Ghost Rider、Squadron Supreme、Invaders、Black Knight （Dane Whitman）、Nighthawk、Havok、Banshee、Sunfire、Thundra、Arkon、Killraven、Wendell Vaughn、Red Wolf、Red Guardian、Daimon Hellstrom、Brother Voodoo 和 Valkyrie。

托马斯于 2011 年入选威尔·艾斯纳漫画名人堂，并于 2022 年入选哈维奖名人堂。

Roy William Thomas Jr. (born November 22, 1940) is an American comic book writer and editor, who was Stan Lee's first successor as editor-in-chief of Marvel Comics. He is possibly best known for introducing the pulp magazine hero Conan the Barbarian to American comics, with a series that added to the storyline of Robert E. Howard's character and helped launch a sword and sorcery trend in comics. Thomas is also known for his championing of Golden Age comic-book heroes – particularly the 1940s superhero team the Justice Society of America – and for lengthy writing stints on Marvel's X-Men and The Avengers, and DC Comics' All-Star Squadron, among other titles.

Among the comics characters he co-created are Wolverine, Vision, Doc Samson, Carol Danvers, Luke Cage, Iron Fist, Ultron, Yellowjacket, Defenders, Man-Thing, Red Sonja, Morbius, Ghost Rider, Squadron Supreme, Invaders, Black Knight (Dane Whitman), Nighthawk, Havok, Banshee, Sunfire, Thundra, Arkon, Killraven, Wendell Vaughn, Red Wolf, Red Guardian, Daimon Hellstrom, Brother Voodoo and Valkyrie.

Thomas was inducted into the Will Eisner Comic Book Hall of Fame in 2011 and into the Harvey Awards Hall of Fame in 2022.

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