Rudolph the Red-Nosed Reindeer
Rudolph the Red-Nosed Reindeer is a fictional reindeer created in 1939 by Robert L. May. Rudolph is usually depicted as the ninth and youngest of Santa Claus's reindeer, using his luminous red nose to guide the reindeer team as the leader of Santa's sleigh on Christmas Eve.
Source: Wikipedia — Rudolph the Red-Nosed Reindeer (CC BY-SA 4.0)