His name is Yukon Cornelius.
There was a scene where Hermey the Elf and Rudolph got stuck in the snow. Yukon helped them and introduced himself.
Larry D. Mann was the actor behind the voice of Yukon. He was born on December 18, 2023 in Toronto, Ontario, Canada. He died last January 6, 2024 because of natural causes. He was 91.
The television special Rudolph the Red-Nosed Reindeer, produced by Rankin-Bass, debuted in 1964 on NBC. Created with stop-motion animation, the show was narrated by folk singer Burl Ives and introduced such characters as Sam the Snowman, the doe Clarice who plays Rudolph's love interest, Hermey the misfit elf who dreams of being a dentist, Yukon Cornelius, and the Abominable Snowmonster (referred to as The Bumble by Yukon Cornelius).
Rudolph was created by Robert L. May. He was a copywriter for the supermarket Montgomery Ward. He was tasked to create coloring books to be given to children as a holiday gift by their store Santa in an effort to entice parents to visit and shop at the store.
To know more about the history of Rudolph, click here.
Here are 10 Things You Didn't Know About Rudolph the Red-Nosed Reindeer from The FW.