Jub-Jub: Selma's iguana in The Simpsons
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AnimalJub-JubSelma Bouvier
An iguana inherited from a dead great-aunt, turned into Selma's official companion. Jub-Jub appears in "Selma's Choice" (season 4) as Aunt Gladys's eccentric pet. This profile brings together the chain of inheritance that carries him all the way to Selma, the origin of his name — suggested by a writer who went on to become a talk-show star — and what this reptile says about the character of Selma Bouvier.
An iguana left behind by a dead great-aunt, refused by everyone, and adopted in the end: Jub-Jub is the unlikeliest companion in Springfield.
A profile of the reptile who outlasted three owners.
Contents
Who is Jub-Jub?
Jub-Jub is an iguana, introduced in "Selma's Choice", the thirteenth episode of season 4. He first turns up there as a simple gag: the frankly questionable pet of choice of an elderly aunt of the Bouvier family.
The character was meant to stay incidental. He became one of the show's most persistent running gags, resurfacing at regular intervals for decades.
Aunt Gladys's legacy
The iguana originally belongs to Aunt Gladys. On her death, the animal begins a forced tour of the Bouvier family, no branch of which wants him.
He first falls to Marge's mother, who will not have him at any price and goes as far as trying to get rid of him with a hatpin. He ends up with Patty and Selma.
🧢 A hatpin turned against an iguana: Marge's mother has her own way of turning down an inheritance. Our Simpsons caps stay on your head all by themselves, no pin required.
It is Selma who adopts him for good, at the end of an episode in which she realizes she can live without a child. The iguana is not a consolation prize: he is the logical conclusion of her journey.

Where does his name come from?
The name comes from the writers' room. According to production accounts, it was Conan O'Brien — then a writer on the show, before his career as a host — who kept repeating "jub jub" to fill the silences during meetings.
The phrase ended up sticking to the iguana. The blog looks back at his time on the show in its feature on The Simpsons guest stars.
☕ Conan O'Brien filled the silences in writers' meetings by repeating "jub jub"; in yours, a sip of hot coffee from one of our Simpsons insulated tumblers fills the gaps more discreetly.
What he says about Selma
Jub-Jub is the only living being with whom Selma has a stable, lasting relationship. Her successive marriages all fail; the iguana, for his part, stays.
The gag works because it is bittersweet. The show mocks her, but at the same time grants her the one loyalty Springfield has ever offered her. That is more generous than it looks.
🧸 Selma's marriages all fail, but Jub-Jub stays: on your bed, our Simpsons plush toys take on that same role of the companion who never leaves, and they're a lot softer than an iguana.
Summary table
| Profile | Details |
|---|---|
| Species | Iguana |
| First appearance | "Selma's Choice", season 4 (1993) |
| Original owner | Aunt Gladys |
| Final owner | Selma Bouvier |
| Origin of the name | A phrase from writer Conan O'Brien |
FAQ
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Who is Jub-Jub?Selma Bouvier's iguana, introduced in "Selma's Choice" in season 4.
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Who owned him before?Aunt Gladys. On her death, nobody in the Bouvier family wanted him, until Selma adopted him.
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Where does the name "Jub-Jub" come from?From a phrase writer Conan O'Brien kept repeating in the writers' room to fill the silences.
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Why does this gag come back so often?Because the iguana is Selma's only stable relationship, all her marriages having failed.
Conclusion
A reptile nobody wanted, passed from branch to branch until he found the one person willing to love him: Jub-Jub is a thirty-second gag that became, almost by accident, the most tender portrait the show has ever drawn of Selma Bouvier.
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