What's the etiquette on other posters having very similar posting names to yours?

[LemonDifficult]

Should I mind? Should I chill?

There are a few other Lemons on here, and hey, I'm cool y'know. Not like this is my whole identity important or anything. Plenty of room in the fruit bowl.

The thing is I've noticed another LemonX around (can't actually remember what the X is, but similar length to Difficult, easily mistaken) and I think they're new and .... Is there a protocol?

There's another bogey on here. I don't think it matters really.