Answer:
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
I am the second L in LOL.
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
Tear one off and scratch my head what was red is black instead. What is it?
2 in a corner 1 in a room 0 in a house but 1 in a shelter.
What never gets any wetter no matter how hard it rains?