It's a family name. The family name, I guess. And besides using the whole thing to introduce myself I don't usually let it get in my way.
And there's nothing wrong with Wells, lot of people you could claim relation to with a name like that. There's Orson of course, and H.G. and Lynn the civil rights activist, Deborah who's a Hungarian porn star, don't ask me how I know this, I don't even know.