|Vehicles and/or Gadgets||None|
|Residence||Aperture Science Enrichment Center|
Atlas (referred to as Blue by GLaDOS), is P-body's short and stout companion, and is one of two playable android Test Subjects built by GLaDOS for her Cooperative Testing Initiative, which was devised to phase out human testing.
- Atlas and P-Body can be seen in the level, GLaD to See You, on a Tractor Beam.
- In the Portal 2 World, there is a quest on the surface where you have to destroy 5 scarecrows Atlas and P-Body.