I like every small twitch streamers twitter posts just to make them get the notifications
Do you think that it is going to annoy them?
I hope he would gets up and tweet something nice just for me
It's understandable that you like the attention from someone else. As long as you are being polite while liking twitter posts then everything is fine.
I like the idea of having one or two thousand people that cares about me.
I think that you are going about it for the wrong reasons. You should like twitter posts because it is polite, not because you are hoping for attention.