BB8, the new Astromech Droid from Star Wars, The Force Awakens was a popular character from the second the droid appeared in a teaser trailer. That popularity has only grown since and it’s inevitable that clever people would want to make their own. Here’s a bunch of stuff on people making BB8.
Conrad Milster is the steam king of the New York region and one of the most interesting people I have met.
Update: more Conrad.
Update: Still more Conrad.