Ralph is a name that's been around for a thousand years, was in the Top 30 from the 1870s to the 1920s, and just could make a comeback.
Ralph has a number of notable namesakes, from Ralph Waldo Emerson to Ralph Abernathy to Ralph Lauren. In literature, Ralph is a Shakespearean name, appearing in Henry IV, is a pivotal figure in Henry James's The Portrait of a Lady and Ralph was one of the three main boys in Lord of the Flies. And let's not forget Ralphie in A Christmas Story.
Or you might prefer the French version--Raoul.