Spoiler warning!
This article contains major spoilers about the Delirium Trilogy.
Alex Sheathes
Daren kagasoff
Alias(es) Alex Warren
Eye color Gold
Hair color Auburn
Age 19
Home The Wilds (birthplace)
Portland, Maine
Gender Male
Status Invalid
Fate Living
Appearances Delirium
Delirium (TV Series)
Mentioned Raven
Relationships Warren Sheathes (father)
Lena Haloway (girlfriend)
Portrayed by Daren Kagasoff

Alex Sheathes is the main love interest of Lena Haloway in the first book of the series, Delirium.


Physical AppearanceEdit

He has been described to have golden/honey-colored eyes, auburn hair and tan skin. He also has a three-pronged scar that all citizens get after their procedure at around 18, but it is a fake, meaning that he is uncured.

Personality Edit

In Delirium, Alex is shown to have a fun-loving personality. Lena describes him as constantly smiling or laughing if not both. Despite this he does show a serious side; showing empathy and anger when Lena revealed what happened to her mother and sadness when talking about his own backstory. He is also a proficient liar; lying to authorities, and even on occasion, Lena, without suspicion or detection.

At the end of Pandemonium and within Requiem, Alex shows almost a complete reversal of personality. He is shown as being harsh and bitter, rarely smiling, and mostly silent due to his time spent in the Crypts. Despite his belief that Lena has betrayed him, it is shown that he does still care for her at the end of Requiem.


  • He is the only male character in the entire series to narrate a book or short story.
  • Alex's alias surname "Warren" coincidentally is the first name of his father.
The Characters of the Delirium Trilogy
Main Characters Magdalena HalowayAlex SheathesHana TateJulian Fineman
Other Delirium Characters Annabel HalowayRachel HalowayCarol TiddleWilliam TiddleJenny TiddleGrace TiddleBrian ScharffFrank DorsetThomas DaleDev HowardDavidAngelica Marston
Other Pandemonium Characters Thomas FinemanRavenTackHunterBramLuSarahBlueRoachGrandpa
Other Requiem Characters Fred HargrovePippaCoralCassie O'DonnellSteve HiltElyse HargrovePikeAnne KilleganHenleyTony
Unseen Characters Warren SheathesConrad HalowayMarcia TiddleEldest Fineman SonAndrew Marcus
Other Characters Ren

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