Can you find the hidden animal in the picture below?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

You bought me for dinner but never eat me. What am I?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What number divided by 4 is the same as that number minus 4?

How can you make number one disappear by adding something to it?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?