Troy Calypso is the secondary antagonist of Borderlands 3 and one of the two leaders of the Children of the Vault, alongside his sister Tyreen. Troy is an oddity in the series, as he is a male Siren, the only one known to have ever existed. His Siren powers were stunted due to him developing as a parasitic twin.

Troy is a tall, lean adult male with a caramel complexion. He sports an extravagant overcoat with a large, black fur collar, but is otherwise shirtless beneath it. His face carries a number of metallic piercings or potentially implants of some sort, along with large gauges in his ears, and a large assortment of chain jewelry dangling from his collar. His hair is black and styled into a spiked fringe, affectionately dubbed "emo hair" by fans. He is seen without the overcoat during his confrontation with the Vault Hunter.

Troy has a mechanical right arm, several times longer than his organic left arm. Said right arm contains a compartment in the shoulder that houses a camera that the twins use to broadcast their killings.

As a Siren, Troy also owns the characteristic wings and tattoos emblematic of sirens in the series. However, due to the unlikely circumstances that resulted in him being a male siren, Troy has some noteworthy differences from his contemporaries. His tattoos are naturally red as opposed to blue, and take on a much more flayed and violent shape as opposed to the more focused, swooping shapes of the other sirens. His wings are among the largest of the sirens seen thus far, and take on a more demonic/draconic shape with a deep red colour as opposed to the bright flames exhibited by other sirens.


Troy was born on the Eridian homeworld of Nekrotafeyo as the son of Typhon DeLeon and Leda. He was born as the parasitic twin of his sister Tyreen, meaning he was less developed, and was born attached to her. Due to his sister being born a Siren, her status was transferred over to him, and thus he was a Siren by proxy.

At some point during their childhood, the two were surgically separated. As a result, Troy developed a vampiric dependence on his sister and has to regularly siphon her powers to keep himself alive.

Typhon's steady stream of stories about vault hunting filled Troy and Tyreen's heads with ideas, causing them to leave the safe haven of Nekrotafeyo and seek their fame and fortune. The two of them would begin preying upon the damaged minds of Pandorans by broadcasting senseless murders, gaining a literal cult following as a result, forming the Children of the Vault.

Troy is incredibly cruel and sadistic, much like his sister. Much of this sadism is drowned within an air of cocky overconfidence. Troy tends to behave as if everything is a game, and often doesn't take threats very seriously. This is most prevalent during his boss fight, wherein he constantly insults the Vault Hunter, even as his health drops dangerously low, all the while ignoring Tyreen's pained cries and goading her into continuing in spite.

Of the two twins, Troy is markedly more soft spoken than Tyreen, albeit he still talks with an air of frequency. He also functions as the more active of the two of them, being the one to ultimately initiate the twins' plans to crash Elpis into the surface of Pandora, as well as being the one to physically engage the Vault Hunter in-person.

Despite his cruelty, he has been shown to genuinely care about his sister, as well as acknowledge her as his superior and the primary reason for him still being alive.



  • Alright, let's get out of here. I wanna see if Katagawa's good on his word. Leave the scraps to the dogs.


  • His right arm being mechanical may possibly be a result of his origin as a Parasitic Twin, as that could have potentially been the point of attachment between him and his sister before the two were severed.

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