Religion: not determined yet
Alter Ego: Tessa Hartley
Other Names: Tessa Niles; Lady Tessa; "Diana Fox"; Britannia
First Appearance (Additional Details): (as Tessa) The Uncanny X-Men (vol. 1) #132 (Apr. 1980): "And Hellfire is Their Name!"; (as Sage) X-Men (vol. 2) #109 (Feb. 2001): "Ceremonies"
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 238
Worked for: Black King
It is certain almost that "Tessa" is a pseudonym. The real birth name of the former Hellfire Club associate known as "Tessa" (who became known as the X-Man named "Sage") is, as yet, unrevealed.
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