Cousin Oliver is a fictional character portrayed by Robbie Rist in the TV series The X-Files.
In the first episode they appeared in, titled Sunshine Days (season 9), they were 38 years old.
They appear in 1 episodes out of a total of 217 aired
Episodes1
Sunshine Days
episode S9.E18 may 2002Reyes and Doggett investigate two murders revolving around a house that is, at some points in time, identical to the Brady Bunch house.