Answer:
What is common to eat before it's born and after it's dead?
I am small and green and hop around. I start my life with a tail but lose it as I grow. What am I?
While I did live, I food did give, which many one did daily eat. Now being dead, you see they tread me under feet about the street.
John Lennon sang about being this toothy creature.
The strangest creature you'll ever find: Two eyes in front and many more behind.
Special abilities and brightly colored underwear are all you need to be one of these.