There's something offputting about referring to people by their reddit usernames as if that's an important facet to their personhood. It makes me think, perhaps without justification, that you have your identity far too tied up in a silly website.
I don't know all of their names off the top of my head, and I assume most people reading don't, either, so I went with the Reddit usernames to optimize for clarity and consistency (and Googlability), at the risk of being depersonalizing.
That said, for all four of these people, that "silly website" was not only their job and livelihood, it was also very much a passion of theirs. It's entirely reasonable for it to be a strong part of their identity, and I think it's a bit disrespectful to deny them that.
