|“||I was trying to take down a system dedicated to the worship of false gods. I became a false god all over again.||”|
|— Gabriel to Octavia [src]|
Gabriel Santiago was a major character in the seventh season, after appearing as a recurring character in the sixth season. He was portrayed by Ian Pala, Donald Heng, and Chuku Modu, and debuted in "Red Sun Rising".
He was an original member of Mission Team Alpha and the former thirteenth Prime. After a moral awakening, Gabriel defected from the Primes and formed the Children of Gabriel to take down the Primes. His last host was Xavier.
After journeying through the Temporal Anomaly with Hope Diyoza and Echo, he briefly joined the Disciples, ostensibly to finally find the answers he'd been seeking about the Anomaly for over 150 years. After joining up with Clarke's group again, Gabriel was mortally wounded by Sheidheda while protecting Madi Griffin and refused medical help so as to finally embrace the death that he had been long denied by his multiple resurrections.
Gabriel was born on Earth and has a grandmother from Colombia. She would make her own kombucha before the rich cut off her drinking water so that they could water their lawns. Gabriel eventually joined the Eligius Corporation and was aware of Bill Cadogan, because of Bill's reputation of being a cult leader of the Second Dawn. He was friends with a quantum physicist and Fields Medal winner named Colin Benson. Before the first Nuclear Apocalypse, Gabriel was selected to join Mission Team Alpha to explore life and human survival on Alpha.
Shortly after arriving on Alpha and setting up camp, Gabriel's girlfriend Josephine was killed by her father, Russell Lightbourne, who was under the influence of eclipse-induced psychosis. Following Josephine's death, Gabriel started working with Russell to figure out how to bring her back using their Mind Drives, which already stored her consciousness. He incubated some of the Nightblood embryos they brought from Earth so that he could upload the Mind Drives on the children, but the children always ended up dying because their minds weren't developed enough to hold an entire consciousness. After 25 years of experiments, Gabriel eventually figured out that they needed to use a fully developed brain and erase the host's mind completely in order to upload the entire consciousness from the Mind Drive. This successfully brought Josephine back.
During one of early red suns on Alpha, he became infected with seaweed toxin and he believed he could walk on water. He was then bitten by the Kepa-She and the toxin was removed.
By the time that Josephine was brought back, Gabriel was dying of cancer. Unwilling to lose him, Josephine resurrected Gabriel through his Mind Drive, which he hadn't wanted to happen. After his first resurrection, the two shared a dance and Josephine promised to love Gabriel forever.
Following Gabriel's breakthrough, the Primes started using the Mind Drives to bring themselves back by uploading their consciousness into Nightblood hosts. The Primes at some point started experimenting with the Red Sun toxin, with Simone trying to weaponize it while Gabriel focused on creating an anti-toxin. Gabriel discovered a way to use the toxin to create a waking dream as part of "a happy accident." At some point, he and Russell experimented using Gabriel's variant of the toxin to see if anything of their hosts survived. The experiment showed that nothing of the host survived, but it gave them a revelation about their purposes: Russell's was to make them into gods, while Gabriel's was to stop it from happening.
Eventually, in 2211, Gabriel started feeling guilty and rebelling against the Primes. To stop the resurrections, Gabriel destroyed the remaining embryos which had been genetically engineered with Nightblood. Simone Lightbourne intended to burn Gabriel at the stake for his actions, but he was helped to escape from Sanctum by Ryker Desai, who left his cell door open. Gabriel formed the Children of Gabriel group to help take down the Primes.
Gabriel trained a null named Eduardo, who was left in the Offering Grove as an infant. He taught him how to remove the Mind Drive so that he wouldn't be brought back. However, as Gabriel was about to die of old age, a Nightblood named Xavier was born. Eduardo saw this as a sign to bring Gabriel back. Gabriel became close with Xavier, who was also like a son to him, and rejected Eduardo's idea that they use Xavier to resurrect him. Gabriel believed that he had talked Eduardo out of it. After Gabriel died, Eduardo went against his wishes and used Xavier as a host to resurrect Gabriel. Gabriel was so upset at Eduardo for bringing him back that he killed him. It was also implied that Gabriel angrily killed Eduardo for murdering Xavier. He was left with no one to remove the Mind Drive.
Since no one else knew about it, Gabriel decided to pose as Xavier among the Children of Gabriel. They assumed that either the "Old Man" Gabriel had died or abandoned them. Gabriel posed as Xavier for ten years, while the Children of Gabriel believed that Eduardo had been killed by the Sanctum Guards around the same time that Gabriel disappeared.
Gabriel was also extremely interested in the Temporal Anomaly on Sanctum. It's implied that he visited it often to see hallucinations of Josephine, who he never stopped loving. According to a comment Gabriel made, he spent at least 150 years studying it by the time the people from Earth arrived; though Gabriel apparently couldn't uncover anything about the Anomaly and how it worked.
Throughout the Series
Gabriel is a hardworking scientist who had feelings for Josephine Lightbourne. After Josephine's first death, he relentlessly pursued a way to bring her back. He eventually succeeded, using the Mind Drives, at the expense of erasing the host's previous consciousness. However, his relationship with Josephine ended when he disagreed with the Primes' ways, which he had himself helped create. He implies that Josephine is both his darkest fear and greatest desire.
While he was the primary creator of the Primes' rebirth method, he eventually became disillusioned with the Primes' philosophy. Gabriel wanted to save the Sanctum people from being killed and sacrificed. He defected from Sanctum and founded the Children of Gabriel.
His goal was to end the Primes' rebirths and he argues that "without death, life is meaningless". However, unlike many of his followers, he is opposed to killing. He spares Octavia Blake and tries to keep the Children of Gabriel from killing Rose. However, he did kill hosts while part of the Primes and he murdered Eduardo when enraged. When severely wounded by Sheidheda, Gabriel rejected medical intervention, stating that he wanted to die and was ready for it to finally come. When Gabriel's end came, he passed peacefully, his last words being "death is life."
Gabriel had mixed feelings over being resurrected himself. After his first death, Josephine brought him back because she couldn't bear to lose him. It is implied that he was on his fourth body (i.e. third host) when he defected. When that host was dying of old age, Gabriel was ready to die for good. However, one of his followers, Eduardo, brought him back using a free-born host, Xavier. Gabriel killed Eduardo in rage.
After his latest resurrection, Gabriel became ashamed of what he had become. Gabriel states that he dedicated himself to bringing down a system of worship of false gods, but instead became a false god all over again. He chose to lie to his followers, pretend to be Xavier, and led them to believe that that he, Gabriel, abandoned them.
Due to nearly five years of training from Orlando, Gabriel gained the knowledge and skills of a Level 12 Disciple, meaning that he has become a formidable warrior in his own right. Despite this, Gabriel is shown to retain his reticence for killing and betraying others. However, he abandoned Orlando due to a lack of time and his own interest in seeing Bardo and rescuing his friends, prioritizing it over taking a risk on trusting Orlando who would be stranded on Skyring as a result.
After arriving on Bardo, Gabriel's attitude caused his friends to repeatedly suspect that he really only cared about getting his answers in regards to the Anomaly. Rather than risk going to the surface, Gabriel went so far as to stun his friends and later joined forces with the Disciples who offered him the chance to finally get his answers, seemingly betraying everyone. However, like the others, this was apparently just an act to buy time as he did not inform the Disciples that Clarke no longer had the Flame in her head and sided with her group without hesitation upon their arrival on Sanctum, taking part in their secret discussions with no one suspecting his allegiances and stood guard over Bill Cadogan for them. He was also unimpressed with Cadogan's arguments about why the Disciple way was best, feeling that you can't fight for the soul of the human race with an inhuman army. Gabriel did, however, enjoy speaking with someone from his own time with whom he could share stories and have each man understand what the other was talking about.
His last host was tall and dark with tan skin with brown eyes, short black hair with small white hair spots, beard and mustache. In Season 7, he shaved the sides of his head.
His original appearance was tall and slender with brown eyes, brown hair and light tan skin.
He was in a romantic relationship with Josephine Lightbourne, but their relationship ended when he disagreed with the Primes' own ways and defected from Sanctum. He implies that Josephine is both his darkest fear and his greatest desire. A hallucination of Josephine suggests that Gabriel keeps going to the Anomaly to see her which he doesn't deny beyond the last time as he had gone to help Diyoza and Octavia. When reunited with Josephine, Gabriel was happy to see her, but tearfully refused the idea of saving her so they could be together. After he decides to let her go, it was implied that due to his fear of Josephine's true nature and her corrupt motives, he still wanted to prevent her from harming more innocent people, even though he loved her for centuries. He was visibly upset after her EEG flatlined and remained haunted by hallucinations of her during a subsequent Red Sun Eclipse.
At some point, after abandoning Sanctum, Gabriel developed a father-son bond with a boy named Eduardo he'd rescued. Though Gabriel wished to die with his last host, Eduardo loved him too much to let Gabriel go, though Gabriel thought he'd talked Eduardo out of his plan to resurrect Gabriel through Xavier by the time he passed away. In his anger at his resurrection, Gabriel killed Eduardo, for which he showed remorse while explaining the story to Diyoza and Octavia. When confronted by Xavier's sister Layla, Gabriel stated that he also loved Xavier like a son, which is implied to be the reason why he angrily killed Eduardo.
|Red Sun Rising||Flashback|
|The Children of Gabriel||Appears|
|The Face Behind the Glass||Appears|
|The Gospel of Josephine||Appears|
|The Old Man and the Anomaly||Appears|
|What You Take With You||Appears|
|Ashes to Ashes||Appears|
|The Blood of Sanctum||Appears|
|From the Ashes||Appears|
|Welcome to Bardo||Appears|
|The Queen's Gambit||Appears|
|A Little Sacrifice||Appears|
|A Sort of Homecoming||Appears|
|The Dying of the Light||Mentioned|
|The Last War||Mentioned|
- Brooke (mind wiped by Gabriel and Russell to bring back Josephine)
- Eduardo (killed in anger over his resurrection and the death of Xavier)
- Clarke Griffin (heart temporarily stopped; revived)
- A.L.I.E. 2.0 (shot and permanently destroyed)
- Spirit of the Commanders (destroyed alongside the Flame)
Notes and Trivia
- He is a geneticist and has a doctorate degree in the field. He also appears to have some medical training.
- He is considered to be a demon in Sanctum. Gabriel himself implies that he is considered one not only for his rebellion, but for destroying the embryos in particular.
- This act caused Josephine to start Oblation.
- He and Russell jail-broke the Mind Drive.
- In the script, Russell also mentions that Gabriel created the serum used on the hosts before they implant the Mind Drive and that it took him over twenty years.
- Even though he brought back Josephine and the others who were killed by Russell Lightbourne, during the first Red Sun eclipse, it was implied that Gabriel's experimental test was meant to resurrect those just for one time only as he refused to do any more resurrections. Despite Gabriel's refusal against killing the Hosts, it was implied that the reason why he only used the Hosts for first resurrections is because the first, official Hosts were just only the experimental embryos at the time Josephine and the others were resurrected. By the time that Sanctum grew into a new society, he refused to sacrifice any more innocent Hosts, but the Primes forced him against his will, which led to his defection from Sanctum.
- He founded the Children of Gabriel.
- He wrote a book chronicling the effects of the Red Sun called "The Double Helix Under the Double Suns." 
- Gabriel's favorite play is The Crucible, which was banned by the Primes.
- He had a crush on Becca Franco before coming to Alpha.
- In an unnamed date, Josephine Lightbourne mentioned that his last host must be at 95 years old. In 2281, Josephine confirms that if Gabriel was 106 by now, he'd be dead.
- That host is confirmed dead and he currently has a new host that he has had for ten years. This means that his host was age 96 when he died.
- He is the only Prime that came alone. The others had a family member(s) come with them.
- His original body died of cancer. His previous host died of old age.
- Unlike the other Primes, it is unknown how many hosts Gabriel has had. Given the old age of his previous host, he likely hasn't gone through as many hosts as the other Primes who have each had upwards of six.
- In "Adjustment Protocol," Russell states that Gabriel is in his fifth or sixth host. However, Russell was unsure of the exact number and Gabriel didn't offer it to him. This is because Gabriel was resurrected in a new host, after his previous host left Sanctum and died of old age.
- At the end of "Matryoshka," Gabriel spoke in Spanish saying "death is life".
- In his original body, he was Colombian. Hence, his knowledge of the Spanish language. His grandmother was also from Colombia.
- Both of Gabriel's known resurrections were because someone he loved couldn't let him go.
- Gabriel is one of three characters to have multiple episodes named after them, the others being Echo and Clarke.
- Gabriel is the fourth main character to debut after first season. (Echo was the first, Roan was the second and Jordan Green was the third).
- As of "Hesperides," Gabriel is considered a Level 12 Disciple thanks to the training he received over 4 years and 8 months from Orlando.
- Gabriel is the eleventh main character to die in The 100. The ten preceding ones are Wells Jaha, Finn Collins, Lincoln, Roan, Jasper Jordan, Thelonious Jaha, Monty Green, Marcus Kane, Abigail Griffin and Bellamy Blake.
- With Gabriel's death, all of the Primes are dead or dormant in the case of Ryker Desai, effectively bringing the Primes to a permanent end. His death also leaves Luca as the only survivor of the Children of Gabriel.
- Despite his body being left in the rec room in "A Sort of Homecoming," there is no sign of it in "The Dying of the Light" while Raven, Murphy and Jackson are searching the room for the Anomaly Stone and with not enough time having passed for them to have moved Gabriel's body between episodes.
- Dylan Kingwell who plays Luca and Chuku Modu who portrays Gabriel both previously appeared in The Good Doctor episode "Point Three Percent." However, as in the 100, the two never share a scene together.
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