"More Famous" is an arbitrary concept. There is no way to properly gauge which one is known by a majority of the general public without doing extensive polling.
Since that data does not exist any answer provided by the participants of this site would only be opinion based and not a substantial answer.
Han Solo
Han Solo is more famous
They're both just as famous as each other
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo
Han Solo