[dsr_]

Namespaces can help with that. For example, I note that you aren't just John, you're John Fawcett. And you probably have a middle name (or two, or more).

I bet you've worked somewhere with a collision on John. Did you adopt a handle, like John F, or maybe JohnDotAwesome?

[JohnDotAwesome]

I really wish I did have more than one middle name, both of which starting with `R` (indeed, my middle name does start with R). Maybe then as a J.R.R. Fawcett I could write fantasy novels.

[52-6F-62]

Oh I'm one of the lucky ones then. It's funny, I often wish I had fewer names. I swear— very few forms ever allow room for two middle names or two middle initials.

R.R.A. Fairley

But I'm a little more into science fiction

[dsr_]

Pen-initials are quite common. Iain M. Banks wrote SF; Iain Banks wrote the more mainstream stuff.