The robots in science fiction are a bit more entertaining than most of the robots that actually exist today, but the "coolness" gap is narrowing as robots get to go to more interesting places -- like space. Robots tweeting
observations from the surface of Mars have a fairly impressive number of followers (even though they weren't talking during the recent government shutdown). It probably shouldn't be too surprising, since space robots have always been the coolest robots (eg. R2D2, Data, the "Class M-3 Model B9 General Utility Non-Theorizing Environmental Control Robot"). Here are just a few examples of actual space robots that might be famous someday.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post