You can write your own username in with a sharpie. :) I would recognize this for the colors and shape. I do wish it came on a light-color T though.
::starts swiping fingers on a printed page to zoom in the text:: Hey, what the heck is wrong with this thing?
That works if you haven't set a new topcolor. (Actually, even for people who have set a custom topcolor, many HN pages still display the default topcolor, so the point in the parent post is correct.)