OMAHA, Neb. — Never mess with the guy who knows how to rumble.

Little-known Max Aaron won his first title at the US Figure Skating Championships on Sunday and helped knock down three-time champion Jeremy Abbott to the last step on the podium. With two quadruple jumps and an arsenal’s worth of other tricks in his ‘‘West Side Story’’ program, don’t count the 20-year-old upstart out at the world championships in March, either.