- For other uses, see Felix.
- See Leech for other articles with titles that contain, either by relationship or by coincidence, this character's surname.
In 2364, Jean-Luc Picard, Data and Beverly Crusher encountered Leech when Picard used his holodeck program of Dixon Hill. Leech and Redblock tried to leave the holodeck but were instead deactivated. (TNG episode: "The Big Goodbye")