You can tell by the way Santa uses his walk he earns 1.5% cash back on every purchase with the Capital One Quicksilver card.
Watching TV last night I caught this for the first time. It's Santa Claus a.k.a. John Travolta reprising his Saturday Night Fever persona in a new Capital One commercial. Keep an eye out for his Saturday Night Fever co-star Donna Pescow who makes a cameo.