Characters

The Portal storyline is home to a number of richly detailed characters.

Humans

Chell

Doug Rattman

Cave Johnson

Caroline

Greg

Henry

Personality Constructs

GLaDOS

Sentry Turret

Defective Turret

Party Escort Bot

Cooperative Testing Initiative

Atlas

P-body

Cores

Portal

Morality Sphere

Curiosity Sphere

Intelligence Sphere

Anger Sphere

Portal 2

Wheatley

Space Sphere

Adventure Sphere

Fact Sphere

Others

Announcer

Companion Cube

Hoopy the Hoop

The Bird

Minor Personnel

Bob

Jerry

Bendy

Scrapped Characters

Betty

Mel

Walking Turret

Hover Turret

Minor Test Subjects

The following list is Easter Eggs, not notable test subjects

Test Subject 042

Test Subject 234