Where is Luke Skywalker?

[TheMortalGamer]

after the latest Star Wars trailer their has been rumours about where Luke Skywalker is.
Some believe kylo ren is Luke Skywalker and what I've read about that rumour I am starting to believe it
What do you believe happened to Luke?

 

[riganthor]

I believe he was the single person on that planet with the R2D2 robot.