Final answer:
Farquhar is a character from 'An Occurrence at Owl Creek Bridge,' a story by Ambrose Bierce adapted into a Twilight Zone episode.
Step-by-step explanation:
The character named Farquhar appears in a story that was adapted into a Twilight Zone episode titled 'An Occurrence at Owl Creek Bridge.' This story is not originally from the Twilight Zone series but is a famous short story written by Ambrose Bierce in 1890. The episode aired during the Twilight Zone's fifth season and is known for its surprising twist ending, a common trait in the series. Peyton Farquhar is the protagonist of the story, a Confederate sympathizer during the American Civil War who experiences an intense and dramatic situation as the story unfolds.