Thomas is The Red Nosed Engine is basically Rudolph The Red Nosed Reindeer. He pulled Santa Claus which is Sir Topham Hatt dressing up as Santa Claus. And Sir Topham Hatt is on a Santa sled. Thomas has braches on his tunnel that makes him look like a reindeer. And that red nose on his nose is a button that was pressed on him. He pulled Sir Topham Hatt as they were going make the children happy.