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.

(Photo: Under Armour) Here's a close-up view of Notre Dame's "Claddagh ring symbol" on the back of its ... recognizable interlocking "ND" primary logo on the sleeves. (Photo: Under Armour) Under ...