Lieutenant Reginald Endicott Barclay III occurs as recurring character in the Star Trek fictional universe, created by Sally Caves and played by Dwight Schultz. Reg is known as fallowing Clayton Endicott III, a character in the TV series Benson.

He foremost appeared in the television series Star Trek: The Next Generation during the third year episode "Hollow Pursuits" as a "diagnostic technician". When you took a sixth year episode Realm of Fear he is mentioned as existence the "systems engineer", where capacity he likewise appeared on the USS Enterprise-E in the movie Star Trek: First Contact. He besides got the revenant role in the late seasons of Star Trek: Voyager.

Possibly a virtually all individual character known aboard a Enterprise, Barclay got numbers of flaws that he was forced to overcome. He was shy & insular by having the tendency to stutter, was fearful of existence transported, had the holodiction problem, and was the hypochondriac.

His holodiction condition was 1st seen in the episode "Hollow Pursuits", where he created simulacrum of the ship's bridge officers world health organization behaved super otherwise than their "real life" counterparts; e.g., his version of Captain Picard was a wuss world health organization cowered prior to him, when Deanna Troi was in love sustaining Barclay.

In the episode "Realm of Fear", Barclay dealt with transporter phobic neurosis once assigned to an away team. Though he was capable of allowing for himself to exist as transported, he believed that he saw big worm-like animals piece around transit. Once there are no grounds to believe of the condition was observed, Barclay believed himself to exist as running mad; all the same, Data and Geordi La Forge afterwards discovered that these were human being system in the device's pattern buffer, thought wasted around transit. Sustaining Barclay's facilitate, these humans were materialized, alive & all.

Inside "Genesis", Barclay's T-cells had the flakey reaction to the medicine, creating an airborne virus which caused Barclay to de-evolve into a spider and its other those to revert to various sooner forms.

Barclay remained under Picard's command fallowing a destruction of the Enterprise-D, for two or three years on the Enterprise-E until existence re-assigned to Starfleet Headquarters circa 2375. Working on the "Pathfinder" design, Barclay became obsessed by using a crew of the misplaced USS Voyager, which had been stranded in the Delta Quadrant for about four years. He created simulacrum of a Voyager crew in the holodeck according to the information available to him. Using a assist of victims holograph & Deanna Troi—by using whom he developed the close friendly relationship—he devised the clever way to have the petite wormhole to establish two-way communication by owning Voyager. Barclay's operate on the Scout design earned him the promotion to to the full lieutenant (previously he got been the lieutenant junior grade).

Around an early episode of Voyager it was revealed that Barclay was included in the creation of the Emergency Medical Hologram program.

An surrogate first in the Voyager series finale "Endgame" showed Barclay teaching at Starfleet Academy, with a rank of Commander. By that point, Barclay experienced lang syne conquered his habit of stuttering & was much supplementary caring and self-asserting.

Barclay as well appears in the First Person Shooter video game Star Trek Elite Force II, where he fills around when Chief Engineer for Geordi LaForge because LaForge and many others develop never again onto more assignments. Barclay seems tremendously further competent & caring in the game, & possibly aids the streaming video player rebuff a terrorist attack on the ship's engineering.

In a Mirror Universe, at least the novel version created by Diane Duane, Barclay, a fairly sure-minded, skilled individual, is Captain Picard's personalized guard... until Counselor Troi destroys him after he ends Troi from either either typing a storage arethe around which Picard is engaged in a confrontation by having Captain Picard from the Federation universe. A Federation Picard, within his short remain the ISS Enterprise pretending to become Picard, seems to st& grown to value Barclay as a human by having possible, and is thus furious just about Barclay's demise that a Empire Troi is all fooled just about Picard's rattling identity.