# Goby — The Mystery of the Blue Train character guide

> Goby in The Mystery of the Blue Train by Agatha Christie.

**Role:** minor

**Also known as:** Mr. Goby, little Mr. Goby

**First appearance:** 0014-xiii-van-aldin-gets-a-telegram

## Who they are

A discreet private investigator employed by Van Aldin.

## In the story

### [In Curzon Street](https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se/chapters/iv-in-curzon-street)

Mentioned as the investigator Van Aldin intends to hire; his address is in Van Aldin's private book.

### [A Useful Gentleman](https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se/chapters/v-a-useful-gentleman)

A private investigator hired by Van Aldin; provides a detailed report on Derek Kettering's affairs and finances.

### [Van Aldin Gets a Telegram](https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se/chapters/xiii-van-aldin-gets-a-telegram)

Visits Van Aldin to report on Derek Kettering's movements.

## Links

- HTML: https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se/characters/goby
- Book: https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se
- All characters: https://www.betterreads.dev/discover/the_mystery_of_the_blue_train_se/characters