The Curiosity rover grabbed a special self-portrait last week. The Mars Hand Lens Imager (or MAHLI) is situated on the long arm used to gather samples. It turned around and snapped this shot of the mast head (the one that houses the cool laser-eye ChemCam) tinted via its dirty dust-cover.
Yes, you can build this model of Johnny 5 from Short Circuit out of LEGOs by following directions from Daniele Benedettelli. Yes, you can program it to say things like “Number Five is alive!” and “Need input!” No, you really should not be blasting “Who’s Johnny” on your iPod … ever.