Real Name: Unrevealed
Occupation: Member, Royal Elite, Imperial Guard
Identity: Publicly known in Shi'ar Empire
Legal Status: Citizen of Shi'ar Empire
Place of Birth: Unrevealed
Marital Status: Unrevealed
Known Relatives: None
Base of Operations: Shi'ar Throneworld
First Appearance: X-MEN #107

History: Unrevealed.

Height: 5 ft. 9 in.
Weight: 150 lbs.
Eye: Apparently no visible pupils or irises
Hair: Unrevealed
Skin: Green

Strength Level: Unrevealed, probably the same as that of an Earthman of the same physical age, height, and build who engages in moderate regular exercise.

Known Superhuman Powers: Unrevealed. It has been suggested that Mentor has superhuman level of intelligence.