Tyler preempted me on this by a couple hours, but: someone made a really fabulous plush Portal turret. One that talks to you. In response to your interactions with it. (If you pick it up, if you wave your hand in front of its sight, if you knock it over, etc.) I love the world.
Here’s a video of it in action:
Interactive Talking Plush Portal Turret from Jonathan M. Guberman on Vimeo.
Although I suspect there’s not a huge amount of overlap between fans of Portal and fans of Mad Men, here you go: