Phoebe Green

Scotland Yard Agent assigned to protect British officials from a mysterious assassin that utilizes fire to finish off his targets. Phoebe teams up with Scully and Mulder when she tracks the assassin to the U.S.A. As Scully soon finds out...Phoebe originally met AND dated Mulder while they both attended Oxford University and seems to wish to "rekindle" that flame. Unbeknownst to Phoebe...Mulder love interests tend to have short life spans.
Eps: "Fire" (1X11)

A pawn used by the Department of Defense to set up Agent Mulder in the governmentally planned "Gethesmene" plot. Kritschgau is "forced" by Agents Mulder and Scully to relate the "true" story behind the alien corpse. When Kritschgau's son dies from a mysterious Gulf War related disease, Kritschgau turns against the Department of Defense to testify at the FBI hearing into the death, of DOD Agent Ostelhoff, caused by Agent Mulder .
Eps: "Gethesmane" (4X24); "Redux" (5X02); "Redux II" (5X03)

The Men in Black seek to divert attention from focusing upon the "...three dimensional phenomenon known as perception" . It is unclear whether they are working for a secret governmental agency attempting to hide alien encounters or just figments of delusional minds. Mulder and Scully's encounter with the Men in Black was a "mesmerizing" adventure.
Eps: Jose Chung's "From Outer Space" (3X20)

The less than enigmatic, and slightly shady, older brother of Dana Scully. Bill has made his profound dislike for Agent Mulder well known...blaming Fox for Melissa Scully's assassination and Dana's near-death illness. Feeling the stress of past family problems and constant criticism of her life choices, Dana always seems to be at odds with her sibling. Based on the track record of Mulder and Scully family relatives...Don't count on this guy making it to the races.
Eps: Gethesmene (4X24); Redux (5X02); Redux II (5X03); Christmas Carol (5X05); Emily (5X06)

Once bitten, twice shy. True as the saying goes, these teenagers are bent on self destruction through their continued ignorance. Losing their first "bud" from an encounter with alien cockroaches... these two "brain surgeons" watch their second friend become an ala carte special for the "Big Blue" beasty. Maybe the FDA should look into claims that frog-licking interrupts higher brain functions.
Eps: War of the Coprophages (3X12); Quagmire (3X22)

Originally called in to give his psychic impressions of a murder scene, this television psychic proved to have little more predictive ability than a random eight ball. Yappi has also made an infomercial to assist in the marketing of "Dead Alien! Truth or Humbug?, alternatively known as the infamous Scully Autopsy Tape.
App: Clyde Bruckman's Final Repose (3X04); Jose Chung's "From Outer Space"(3X20)