These two robots, developed by Boston Dynamics, are Youtooobing:

I can imagine this one (called the Sand Flea) being used by the military and police for sending in cameras and other spy equipment in an urban landscape. The Big Dog (below) is something I really could use when I am gardening – a container on its back, and a voice interface so I could tell it to go empty itself in the compost bin when it is full of garden refuse.