maybe he wrote it and wanted you to find it so that you would stop using his pc

That is one fetish that just literally makes my skin crawl in revulsion. Someone needs to pull the little puke aside and give him a lesson about the inappropriateness of something like that.

My sister and I

To be fair, he could just be bad at names. As a writer myself I tend to either do extensive research for that one perfect name that fits the character or name them after someone I know in real life, often intending to replace it later but I don't always get around to it, so I wouldn't read too much into it.

Maybe just Maybe.. he knows that she goes snooping on his computer and placed it there to freak her out.. teaches her to mind her own business!

Better hide

If I had a sister who went through my stuff I would probably have done something similar to freak her out. You deserved for going through your brothers stuff!

creepy

If I were you I would never use his computer again

This is interesting. I don't believe this FML, because I read one almost exactly like it while moderating a few months ago. The only thing different was the other FML said it was handwritten, not on a computer. Everything else was the same. Hmmmmm....