P-Body

P-Body is a tall cooperative testing robot created by Aperture Science in Portal 2.

P-Body's role in Portal 2

Paired with Atlas, P-Body uses portals, timing, and coordinated movement to complete test chambers that cannot be solved alone.

P-Body's defining actions and relationships

Her elongated design and expressive gestures suggest a more confident, mischievous personality than Atlas despite both communicating without speech.