Rusty Wallace
"Rusty" could be a good nickname for corrosion, as it is a common result of metal oxidation and decay.
Hawaii is a proper noun; the related proper adjective is Hawaiian. Rusty is generally a common adjective, although it can be a nickname and thus a proper noun.
Yes, Rusty can be a real name for a boy. It is a nickname that can be short for Russell, which is a common given name.
Italy
no
mrs.lane is stupid
Henry and Estelle Burns
A Communist
He was named the "Guardian of Scotland."
Murron MacClannough
his mums name was keelie wallice