Finally, I know who is the other guy!
There are some other sites, like Entertainment Wise, Pop Dash, etc., who doesn't know who Calvin Harris is and it's very embarrasing from them because it's known that they don't do research. Also, Calvin Harris pointed out this (even in his Twitter account) and he says that he prefers a question mark instead of confusing him with another guy, in this case, Mike Faiola. Here is an interview where he says that:
Link and tells more about the 'Sweet Nothing' story
Both him and Calvin though 
