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Profile Overview

Xavier Callahan

Human Male

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Character Information

Rank & Address

Commander Callahan

Assignment

Executive Officer
 USS Sovereign (Archive)

Born

Xavier Callahan

April 1, 2360

Chicago, Illinois, USA, EARTH

Played By

James MacLeod (ID: 653)

Summary

Commander Xavier Callahan, Starfleet is the Executive Officer of the USS Pandora (NCC-80114).

Appearance

Height: 6’0″

Weight: 190 lbs

Eye color: Hazel

Hair color: Dark brown, short, and slightly graying at the temples

Ethnicity: Mixed Irish and African-American descent

Personality

Commander Callahan is a natural leader with a calm and composed demeanor. He is well-respected by his peers and subordinates for his intelligence, loyalty, and ability to remain level-headed in high-pressure situations. He has a strong moral compass and a deep sense of duty, which often puts him at odds with the domineering Captain Maddox. However, his diplomatic skills and ability to compromise make him a valuable mediator between the captain and the crew.

In his free time, Callahan enjoys reading historical accounts of early space exploration, practicing his hand-to-hand combat skills in the ship’s holodeck, and playing the saxophone, which he learned as a child. He also has a fascination with ancient Earth martial arts, particularly Aikido and Brazilian Jiu-Jitsu.

Commander Callahan is single, having focused primarily on his career. However, he maintains strong relationships with his mother and sister back on Earth, as well as with his fellow crew members aboard the USS Pandora.

Strengths:

  • Skilled engineer with expertise in warp field theory
  • Strong diplomatic and negotiation skills
  • Excellent strategic thinker
  • Calm and collected under pressure.
  • Loyal and dedicated to his crew.

Weaknesses:

  • Struggles with the loss of his father and the pressure to live up to his legacy.
  • Sometimes too self-sacrificing, putting the needs of the crew above his own well-being.
  • Can be overly cautious, occasionally clashing with Captain Maddox’s more aggressive approach.

History

Commander Xavier Callahan was born in Chicago, Illinois, Earth 1 April 2360. He was raised by a single mother who was a nurse. His father, a former Starfleet officer, passed away when Xavier was just three years old. As a result, Xavier grew up idolizing his father and dreaming of a career in Starfleet. He has one older sister, who is now a successful attorney in their hometown.

Callahan attended Starfleet Academy, where he graduated with honors and earned degrees in Warp Field Theory and Advanced Subspace Geometry through the Intensive Theoretical Research Program in 2381.

An accomplished engineer, he rose to the position of Chief Engineer aboard the USS Rutledge where he got some experience in diplomatic affairs patrolling portions of the Federation-Klingon border which led him to a highly coveted academic spot at the Harvard University John F. Kennedy School of Government where he earned a Master’s Degree in Interstellar Diplomacy in 2393.

Following graduation, he reported aboard the USS Galaxy as Operations Officer. In 2399, Callahan promoted to Commander and reported aboard the USS Pandora as Executive Officer in 2400.

Service Record

Date Position Posting Rank
2381 - 2385 Main Propulsion Engineer USS Tempest
Ensign
2385 - 2388 Assistant Chief Engineer USS Rutledge
Lieutenant Junior Grade
2388 - 2391 Chief Engineer USS Rutledge
Lieutenant
2391 - 2393 Student Harvard University JFK School of Government
Lieutenant Commander
2393 - 2400 Operations Officer USS Galaxy
Lieutenant Commander
2400 - Present Executive Officer USS Pandora
Commander

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