Johnny Sandwiches is a complex, multifaceted individual with a robust personal life. Socially, academically, artistically: There are few individuals who can match his life in terms of fulfillment.
He does more than make sandwiches. Don't boil his existence down to that. But don't ask what else he does because he is a very private person. You can order a sandwich, but just know that he will only make you that sandwich out of professional obligation. It will be delicious, as he is very skilled at making sandwiches. But that's only because he's been working at the deli for years.
Don't assume to know him, for you never will. Just know that Johnny Sandwiches makes great sandwiches.