Portal Alphabet

A: Aperture Science

B: Blue Portal

C: Companion Cube/Chamber/Cake

D:

E:

F: Flinging

G: GLaDOS

H: Hazards

I:

J:

K:

L:

M:

N:

O:

P: Portal Gun

Q:

R: Red Portal

S:

T: Turret/Testing

U:

V:

W: Weighted Storage Cube

X:

Y:

Z: