Blond-haired, blue eyed and short in stature to the rest of her coworkers, Gun wears the standard Turk uniform of black suit with black tie, white dress shirt and brown boots.

Rigid, professional and loyal to a fault, Guns younger sister is Elena The girls share a sibling rivalry, as Elena resents her sister for outperforming her.

A stern, serious young woman like her father, Gun's skill with guns and her steadfast personality have gained her Tseng's trust. She is loyal and will stick by her comrades in a fight; betrayal being an alien concept to her. The one flaw in Gun’s personality lies in her stubbornness. She sees the world in a linear fashion, and any deviation from that perception is unwelcome to her. Others may accuse her of being rigid, for she will often refuse to budge from her stance if she thinks she is right.

While she usually stern, Gun isn't adverse to friendly banter and occasionally makes wry quips about absurd situations.

Born in the Midgar Slums, Gun entered the Shinra Military School where her father was an instructor. Under the stern tutelage of her father, Gun became a top marksman and eventually surpassed her teacher in the art. Graduating the school with honors at the top of her year, she was recruited into the Turks upon graduation.