Elysia was a region of space said to be inhabited by representatives of 123 races, who began inhabiting the region since becoming trapped there in as early as the 13th century.
The following is a list of unnamed inhabitants of Elysia, all of which were members of the Elysian Ruling Council and, according to Xerius, were said to be centuries old, despite looking young. They lived aboard their various starships, which remained clustered together. (TAS: "The Time Trap")
Amphibian councilor []

A female Elysian councilor
This female alien was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, she served as a member of the Elysian Ruling Council. She later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, she returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Andorian councilor []

An Andorian councilor
This Andorian was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Gorn councilor []

A Gorn councilor
This Gorn was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Human councilor []

A Human councilor
This Human female was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, she served as a member of the Elysian Ruling Council. She later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, she returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Insectoid councilor []

An insectoid councilor
This insectoid was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Klingon councilor []

A Klingon councilor
This Klingon was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. Originally a soldier in the Klingon Defense Force, by 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Kzin councilor []

A Kzinti councilor
This Kzin was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, it served as a member of the Elysian Ruling Council. It later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, it returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Phylosian councilor []

A Phylosian councilor
This Phylosian was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, it served as a member of the Elysian Ruling Council. It later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, it returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Tellarite councilor []

A Tellarite councilor
This Tellarite was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")
Vulcan councilor []

A Vulcan councilor
This Vulcan was once a crewmember of a starship that entered the Delta Triangle and became trapped in Elysia. By 2269, he served as a member of the Elysian Ruling Council. He later attended a party aboard the USS Enterprise, which entertained guests of the Ruling Council, the Enterprise crew, and the crew of the IKS Klothos. After violence broke out between Dr. McCoy and Kaz during the reception, he returned to the Elysian Council Chamber to attend Xerius' sentencing of Kor for breaking Elysian law. (TAS: "The Time Trap")