Answer:
There is one in every corner and two in every room.
My first is a heir; My second's a snare; my whole is the offspring of fancy; which I sent out of play upon Valentine's day As a token of love to my Nancy.
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
I am a fruit with seed on the outside. What am I?
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?
I met a man on the London bridge, he tipped his hat and drew his name, in this riddle I told you his name. What is it?