Flint

Flint was the name of a male Human who had live across various periods in history.

Early life
The being known as Flint was an immortal who was born as Akharin in Mesopotamia on Earth in 3834 BCE. As Akharin, Flint became a foot soldier who, after living a long and full life, discovered that he couldn't die when he was wounded on the battlefield. After his discovery, Flint continued his life on Earth, taking numerous aliases over the years, often playing a vital role in Human history.

Among his many identities were King Solomon, Lazarus, Alexander the Great, Merlin, Leonardo da Vinci, William Shakespeare, Johannes Brahms, Reginald Pollack, Sten, and Micah Brack. Flint also witnessed numerous historical events, such as the Black Death in the 14th century, and often met other individuals who had a huge impact on the world, such as Moses, Socrates, and Galileo Galilei. Flint would also have many wives and children, all of whom he would outlive. 

Flint the Immortal
He continued to live by the year 2239 where he used his identitiy as the interstellar financier Brack to buy the planet Holberg 917-G in the Omega system. As the world was uninhabited, Flint took careful steps to ensure it remained that way whilst he created a home there in order to live a reclusive existence. During that time, he managed to engineer a number of female androids in his quest for an undying love partner; each of which held the Rayna which culminated in Rayna 17 who was not allowed to know of her failed predecessors.

Flints existence remained secret until 2269 where he was discovered by the United Federation of Planets vessel USS Enterprise which orbited his world in order to take the planet's ryetalyn ore for use as an antitoxin for Rigelian fever which had infected the entire crew. While they were on Holberg 917G, they encountered Flint who had introduced himself after he stopped his M-4 robot from killing the landing party. Taking them to his home, Flint sought to jump start Rayna 17's emotions by allowing her to interact with these visitors where she fell in love with Captain James T. Kirk though was unable to transfer this emotion back to her disappointed maker. Being forced to choose between these suitors, Rayna 17 ceased to function which to the horror of Flint.

During this time, science officer Spock deducated that Flint had lived for a long time at which point he revealed his immortality. However, Doctor Leonard McCoy discovered that Flint was actually dying as he had previously been sustained by the complex fields on Earth and thus by relocating to his new home he had sacrificed his immortality. Flint stated that he would devote the rest of his new natural life to the improvement of the Human condition. 

Emil Vaslovik
Though McCoy believed that Flint was dying, he had actually misled the doctor. The discovery of his identity by Kirk and his comrades had not been the first time his existence was learnt of but was the first time in several centuries. Normally, he prepared a new identity to adopt in such conditions but this time the groundwork of this new persona was not fully developed. He quickly decided to adopt the name Emil Vaslovik in an effort to atone for past mistakes namely the mistakes he had made with Rayna. This was because he believed he had wronged her and instead of giving her life, he simply wanted to shape her for his own purposes. Thus, he had lost a truly wondrous thing which was a soul in his creation and it was this thought that shaped the heart of Flints new existence as Emil Vaslovik who sought to impart this sense of responsibility on others.

This persona was active by the early part of the 24th century where he had met similar cyberneticists who sought to study the field of artificial intelligence. These included Noonien Soong and Ira Graves who he worked closely with. Such individuals shared Emil's concerns on the ethical treatment of AI and it was this fact that led him to acquire their aid in the recovery of various artifacts which were the "bodies" of numerous machine intelligences. In 2307, he accompanied the two on an expedition to the planet Exo III in order to learn more of the rumoured technology that produced artificial life in order to save the artifacts present on the world. However, their trip to Exo III instead woke a large number of androids that had been in stasis and sought to kill the trio of trespassers. Vaslovik, Graves and Soong, however, managed to escape though were unaware of the intentions of the androids having believed them to had returned to their slumber.

Later, by 2374, he joined a Starfleet research program into Holotronic brains for a new type of android where he worked with Bruce Maddox and Reginald Barclay. However, Vaskolivs aim was simply to infiltrate the program, steal the prototype android and purge all records of the project. He was successful in this and managed to hide the prototype android as a Starfleet Lieutenant that went under the name of Rhea McAdams. Emil was not aware of the fact that the androids of Exo III were secretly working to acquire the android and use its technology to fix a flaw in their design. This chain of events led Rhea McAdams to take Data to a cloaked space station which was the home of Flint where the android instantly deduced his identity. 

Appearences

 * Star Trek: The Original Series
 * Federation (as Micah Brack, 2060s)
 * "Requiem for Methuselah"
 * The Cry of the Onlies
 * Star Trek: The Next Generation
 * Immortal Coil (as Emil Vaslovik)
 * Strange New Worlds
 * The Immortality Blues (as Lewis Bixby and Jerome Drexel)