Rudolph usually takes the lead role during the Christmas Eve flight, guiding the sleigh and the other reindeer through the skies. He has a bright, glowing nose that helps him guide the way through the darkest of nights. He's also the most famous reindeer in the world, thanks to the classic Christmas song. Rudolph is a very important member of Santa's team, and he plays a crucial role in helping Santa deliver presents to children around the world.