Who are you and how the FUCK did you end up on my timeline?

who are you?????

como estas?

Haha!

get off my timeline please

plurk is trying fix the issue currently, be patient~

you went away and now you're back. whyyyy!

Again, who are you and how did you end up on MY timeline?

The appropriate (not to mention, polite) thing to do is respond when you are spoken to.