A simile is first defined as a type of speech that uses one thing or
phrase with comparisons to things of an unrelated kind, often in order
to make a more vivacious description. So of the phrases above, only the
last one (I swear she cast a shadow white as stone) would be considered a
simile, as a shadow white as stone takes two unrelated things and uses
them in an interesting way.
He fell sad about the swallow
True, look at famous current day rappers like migos, and Cardi B for example.
Joey, Jacob, Johnathan, Jack. I'm pretty sure this correct