Characters

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

Humans

Chell

Doug Rattmann

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

image=Betty.png|link=Betty|text=Bett

Mel

Walking Turret

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Minor Test Subjects

The following list is Easter Eggs, not notable test subjects

Test Subject 042

Test Subject 234