The team website says the following about the role of the leprechaun: The Notre Dame logo features a side view of the figure with his dukes up, ready to battle anyone that comes his way.

with Ohio State's classic silver sticker-adorned helmets clashing with Notre Dame's iconic golden lids. Those stickers are markers of achievement throughout the season for Ohio State players ...

With the Notre Dame Fighting Irish being the home team in the college football national championship game against the Ohio State Buckeyes, that means the white jerseys are out. It's back to the blue.

Now Notre Dame awaits its national championship ... One Orange Bowl” in smaller letters. A Fighting Irish helmet, and various logos are also shown on the towel.

Here's what you need to know about the stickers on Ohio State's helmets heading into Monday's CFP championship game: REQUIRED READING: Ohio State, Notre Dame play in CFP national title game.