Weighted Companion Cube (Character) - Giant Bomb

The Aperture Science Weighted Companion Cube is your only friend in Portal, and has become an insanely popular "character" on the Internet. It's good for weighing down buttons, and it will never threaten to stab you, we promise.

Chell, Half-Life Wiki

Portal Characters - Giant Bomb

Weighted Companion Cube (Character) - Giant Bomb

Pin by Valerie Taylor on My Nerd-Out Zone

Team Fortress 2: The Heavy / Characters - TV Tropes

Portal Characters - Giant Bomb