Peter wears me as a last name and never grows up; eggs fry in me.

In a tangled embrace they delight, Long and winding, a playful bite, Twirl them 'round with a fork's gentle might, Slippery as a catfish in their flight.

I stick out, but not too far, Quite attached to where you are; One of many, all for you; Still, you may not barbeque.

A rainbow surrounds me, the sky is my sea, but the lightest touch is the end of me.

When it's rock hard, it's a figure of speech. Throw it at something that's just out of reach. One action makes two tasks fully complete. Don't leave one unturned looking for a lead.