Alias

Sage
Nick Name
|
Civilian ID
Tessa Niles
Occupation

Adventurer

Espionage Agent

Mutant Rights Activist

Legal Status
Citizen of the United States with no criminal record.
Nation or Planet of Origin
United States
Group Affiliation

Excalibur

Hellfire Club

X-Men

X.S.E.

Base of Operations
Xavier Institute, Salem Center, Westchester County, New York
Height
5' 7"
Weight
135 lbs.
Eye Color
Blue
Hair Color
Black
Skin Tone
Caucasian
Known Powers
Mutation resulting in telepathic abilities and total memory recall.  Capable of sensing other mutants and unleashing their potential mutations.

Excellent hand-to-hand combatant with training in the martial arts.

Accessories
Cyber Glasses: Eye wear designed to record and transmit data to a central computer database.
Common Enemies

(The) Fury

Hellfire Club

Lady Mastermind

Regularly Appearing

Uncanny X-Men

X-Treme X-Men

First Appearance

Tessa

Uncanny X-Men #132 (April, 1980)

Sage

X-Treme X-Men #1 (May, 2001)

Creator
Chris Claremont & John Byrne
Origin
Recruited by Professor Charles Xavier as his sixth member of the original X-Men, Tessa Niles was not asked to join the ranks of the team, but to instead infiltrate the Hellfire Club as Sebastian Shaw's (Black King) assistant.

Niles assignment eventually ended with the disintegration of the Hellfire Club and she joined her teammates in the X-Men under the codename of Sage.