Nothing is known of Friday's background. At one point, Friday had a son named Ambrose. Unfortunately, Ambrose died in infancy.
Friday can often be found around Plainview and the Pacific Union Railroad Camp, doing a variety of odd jobs. However, he has been known to frequent Armadillo and MacFarlane's Ranch, and Manzanita Post.
- He wears the same outfit as Jacques Billeray. The only difference is his hat.
- Friday shares a character head with Cleveland Sharp and Jonas Crawford.
- He has the same hat and bandana as Clifton Ledbetter and Tobias Weldon.
- When observed while sleeping, it is shown that Friday has an unknown illness as he coughs excessively.
- Friday Lee will often refer to himself in the third person.