Almanac Logo

July 4, 2026 · Norway

LLMs Explained Through the Addams Family

My attempt to understand the core parts of a large language model by turning them into a wonderfully strange family.

I was trying to understand the moving parts inside a large language model, and the Addams Family turned out to be a surprisingly useful metaphor.

An LLM can feel abstract: transformers, embeddings, attention, hidden layers, backpropagation, tokenizers, GPUs, training data, parameters. These are technical ideas, but they also behave like characters in a weirdly coordinated household.

So this is my attempt to explain an LLM as the Addams Family: each family member has a role, and each one has a moment where their importance becomes obvious.

The Addams Family Mansion as an LLM

Imagine the whole Addams mansion as a language model being trained.

Texts enter the mansion. They are chopped up, transformed, compared, remembered, and reshaped. Some rooms handle meaning. Some rooms handle computation. Some rooms store what has been learned. Some characters focus intensely. Others quietly do impossible amounts of work in the background.

No single family member is “the LLM” by themselves. The model works because all of them cooperate.

Gomez Addams — Transformer Architecture

Role: Gomez is the transformer architecture: the mastermind orchestrating every forward pass and every party of attention.

The transformer is the overall structure that makes modern LLMs work. It decides how information moves through the model, how tokens interact, and how layers process meaning.

Gomez feels like the right character for this because he is theatrical, energetic, and always coordinating something complicated. In the LLM mansion, he is the one making sure the whole system does not collapse into chaos.

Shining moment

During a chaotic training night, the model is learning from the Mahabharata. There are long passages, war strategies, philosophical conversations, family conflicts, and layered meanings.

Gomez coordinates attention across thousands of tokens so that the model can keep the story coherent. Without him, the model might lose track of who is speaking, what event is happening, or how one idea connects to another.

This is where the transformer architecture matters: it gives the model a way to process context at scale.

Morticia Addams — Embeddings

Role: Morticia is embeddings: she converts plain words into rich, multi-dimensional vectors full of subtle meaning.

Before an LLM can understand text, it has to turn words or tokens into numbers. These numbers are not random. They represent meaning in a mathematical space.

Morticia is elegant and subtle, which fits embeddings nicely. She does not merely “translate” words into numbers. She gives them atmosphere, distance, relationship, and depth.

Shining moment

Poetic Sanskrit verses enter the mansion.

A plain tokenizer may split the text into pieces, but Morticia gives those pieces a kind of semantic life. She helps the model sense that the text may carry rhythm, philosophy, devotion, conflict, or abstraction.

This is why embeddings are important: they are the first step in turning raw text into something the model can reason over.

Wednesday Addams — Attention Mechanism

Role: Wednesday is the attention mechanism: coldly focusing on the most relevant tokens and ignoring noise.

Attention is one of the most important ideas in modern LLMs. It helps the model decide which previous tokens matter most when predicting or understanding the next one.

Wednesday is perfect for this. She is precise, unsentimental, and not easily distracted.

Shining moment

In the Bhagavad Gita section, the model is processing Krishna’s counsel to Arjuna.

There may be many surrounding words, but Wednesday locks attention onto the important relationship: Krishna giving guidance, Arjuna struggling with duty, and the philosophical weight of the moment.

She ignores irrelevant noise and keeps the prediction focused.

This is what attention gives the model: a way to connect the right pieces of context at the right time.

Pugsley Addams — Hidden Layers

Role: Pugsley is the hidden layers: building deep conceptual structures, stacking meaning layer by layer.

Hidden layers are where a lot of the model’s internal processing happens. Each layer transforms the representation it receives, adding more abstraction and structure.

Pugsley has the energy of someone experimenting in the basement, building strange devices that somehow work. That makes him a good metaphor for hidden layers.

Shining moment

While training on ancient Indian mathematics, the model encounters ideas around zero and infinity.

Pugsley starts stacking meaning layer by layer. Earlier layers may capture surface patterns. Deeper layers may begin to represent more abstract relationships.

The notes describe this as Pugsley inventing latent dimensions for zero and infinity, enabling sudden mastery of abstract number theory.

That is the importance of hidden layers: they help the model move from text patterns toward deeper conceptual structures.

Uncle Fester — Backpropagation

Role: Uncle Fester is backpropagation: sending electric zaps, or gradients, whenever predictions differ from the truth.

Training an LLM involves making predictions, measuring how wrong they are, and updating the model so it becomes less wrong over time. Backpropagation is the process that sends the error signal backward through the model so the weights can be adjusted.

Uncle Fester and electricity are already an iconic match, so this metaphor feels very natural.

Shining moment

The model reaches a difficult section on moral paradoxes.

Its predictions are not quite right. Maybe it oversimplifies an ethical dilemma or misses a subtle conflict. Uncle Fester responds with powerful electric zaps: gradients flowing backward through the system.

Those zaps adjust billions of weights and reduce prediction loss.

This is where learning actually happens. Without Fester, the model could make mistakes, but it would not improve from them.

Thing — Tokenizer

Role: Thing is the tokenizer: silently chopping raw text into manageable tokens.

A model does not usually read text exactly the way humans do. First, the text is split into tokens. Tokens may be words, parts of words, characters, or other chunks depending on the tokenizer.

Thing is quiet, fast, and useful. It does not need attention. It just gets the job done.

Shining moment

The model receives enormous Sanskrit compounds.

These can be long and complex. Thing slices through them and turns the raw text into digestible pieces for the model.

This step is easy to overlook, but it matters a lot. If text is not broken into useful units, the rest of the mansion cannot process it properly.

Lurch — Compute and GPUs

Role: Lurch is compute and GPUs: the silent but massive computational muscle.

LLMs require huge amounts of computation, especially during training. GPUs handle large matrix multiplications and parallel operations that would be painfully slow otherwise.

Lurch is the perfect image for this: quiet, strong, dependable, and always carrying more than anyone else notices.

Shining moment

The training run reaches peak complexity.

Sequences are long. Batch sizes are large. Matrix multiplications are everywhere. The mansion is under pressure.

Lurch’s GPUs keep churning through the work without breaking a sweat.

This is the practical side of LLMs: even brilliant architecture needs enough compute to run.

Grandmama — Training Data

Role: Grandmama is training data: supplying ancient, diverse, and sometimes dangerous knowledge.

Training data is what the model learns from. It shapes the model’s abilities, weaknesses, style, and knowledge.

Grandmama fits because she brings old recipes, strange ingredients, inherited wisdom, and unpredictable surprises.

Shining moment

Grandmama surprises the mansion with the Mahabharata.

This unlocks new narrative powers in the model. The model sees epic structure, dialogue, philosophy, conflict, and cultural patterns.

Training data matters because the model cannot learn from what it never sees. The quality, diversity, and nature of the data deeply affect what the model becomes.

Cousin Itt — Parameters and Weights

Role: Cousin Itt is parameters and weights: storing learned knowledge as billions of entangled strands.

Parameters are the learned values inside the model. During training, backpropagation updates these values again and again. Over time, they encode patterns from the training data.

Cousin Itt is a funny but useful metaphor here: a huge mass of tangled strands that somehow contains meaning.

Shining moment

After countless updates, Cousin Itt embodies what the model has learned from the Mahabharata.

The model can now generate dialogue, summarize events, or offer deeper analysis based on patterns stored in its weights.

This does not mean it has a human memory of the text. But the learned parameters contain statistical and conceptual patterns that influence future outputs.

How the Family Works Together

The metaphor becomes most useful when the family members are not isolated.

A training example enters the mansion:

  1. Thing tokenizes the raw text into manageable chunks.
  2. Morticia turns those tokens into embeddings with rich mathematical meaning.
  3. Gomez coordinates the transformer architecture so the information moves through the model.
  4. Wednesday decides which tokens deserve attention.
  5. Pugsley builds deeper representations through hidden layers.
  6. Cousin Itt holds the learned patterns in the model’s parameters.
  7. Uncle Fester sends gradients backward when the model is wrong.
  8. Lurch provides the compute needed to make all of this possible.
  9. Grandmama supplies the training data that gives the whole system something to learn from.

Seen this way, an LLM is not one magical thing. It is a strange household of cooperating mechanisms.

My Takeaway

This metaphor helped me remember the pieces better.

  • The transformer is the organizing structure.
  • Embeddings turn text into meaningful vectors.
  • Attention decides what context matters.
  • Hidden layers build deeper abstractions.
  • Backpropagation enables learning from errors.
  • The tokenizer prepares raw text for the model.
  • GPUs and compute make the whole thing feasible.
  • Training data shapes what the model can learn.
  • Parameters and weights store the learned patterns.

The Addams Family version makes the system feel less like a black box and more like a peculiar mansion where everyone has a job.

And honestly, that feels about right for LLMs: elegant, powerful, slightly mysterious, and full of hidden rooms.

References