What are the proper nouns of the song Rudolph?

In the song "Rudolph the Red-Nosed Reindeer," the primary proper nouns include "Rudolph," which is the name of the main character, and "Santa Claus," referring to the iconic figure associated with Christmas. Additionally, the song mentions "the North Pole," which is the legendary home of Santa and his reindeer. These proper nouns help establish the song's festive setting and characters.