General InformationReal Name:Thaddeus Bodog Sivana Jr.Aliases:Sivana Jr.The World's Wickedest Boy ScientistCompany:DC ComicsCreator:NoneGender:MaleCharacter Type:HumanFirst Appearance:Captain Marvel Adventures #52 - Capt. Marvel Battles the Giant Earth DreamerIssue Died:NonePowers:GadgetsIntellect Thaddeus Sivana Jr.DC Comics August 9, 2021 The Watcher 0 comments on “Thaddeus Sivana Jr.”Add yours → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.
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