Of all the things a robot should be able to do--smashing things, shooting stuff with lasers, lifting large objects, transforming into a 18-wheeler--making you feel like you're the world's best comedian should be pretty high up on the list.
And hopefully, you're willing to pay $3,000 for that privilege.
The Speecys "Mi-Rai" PC-101C robot is notable because it boasts facial-recognition skills and an open-ended software platform that lets developers write applications for it. More importantly, it also goes friggin nuts when you tell a joke. For evidence, watch this video.