The dog in the Fallout TV show is a Belgian Malinois named CX404 (played by a dog called Lana).

Quick Scoop

  • In the Fallout TV series, the main wasteland dog is called CX404 in-universe.
  • The production used a real Belgian Malinois for the role, a working breed often used by police and military because of its high drive and trainability.
  • Within the show’s story, CX404 is described as a specially bred female Malinois from an Enclave-run program, which fits the breed’s image as an elite working dog.

Why that breed fits Fallout

  • Belgian Malinois are lean, fast, and very energetic, which makes them look convincing as a hardened wasteland companion that can track, fight, and move quickly through ruins.
  • The series leans into that “engineered super‑dog” vibe, using a breed already associated with demanding jobs and tactical work in real life.

TL;DR: If you’re wondering what kind of dog is in Fallout TV show , it’s a Belgian Malinois used to portray the in‑universe dog CX404.

Information gathered from public forums or data available on the internet and portrayed here.