Companion Cube from the Portal video game series

I got the hidden companion cube in portal : reloaded ! : r/Portal

Portal 2 Companion Cube Ice Tray

Portal - Saving the Companion Cube - Part 1

Portal Companion Cube LED Light-up Gift Box, Decor, Gaming Prop, Cosplay 9.5 Cm 3.74 Inch

Portal - Companion Cube Antenna

How to Make a Low-Budget Weighted Companion Cube From the Portal Video Game Series

The Weighted Companion Cube

Portal Companion Cube Cosplay Roleplaying RP Portal 2 Cosplay

Every unlockable companion cube variation : r/Portal