The meaning of Han's last name
The last name of "Solo" was briefly glossed over in the film as a gag of sorts when Han enlisted in the Imperial navy, but Imperial Cadet #1 fleshed-out its real meaning a bit...
Probably what most already suspected, but additional confirmation is always nice. Suffice to say, the Empire was probably full of people who carried the "Solo" name/brand.
**Also adds a bit of extra venom to Dryden's "scrumrat" comment in the film/comics: