Lines were long to have photos taken with George, also known as "Marmaduke," and Charlie, "Mr. Jinx" in the upcoming "Young Fockers" movie.
Pet Night, a tradition for the last 13 years, is an opportunity for Members of Congress and their staff to show off their cuddly buddies in support of the Animal Health Institute.
"Cali runs our office," Calvert said of the dachshund. "She already chews my couches up and sits on my chair."
"She's trying to take over... but we love her. She's been with us for years."
Celebrity pets kick off the show each year followed by the parade of pooches (and other pets). Congressmen and Congresswomen in attendance included Jared Polis, with mixed terrier Gia, Phil Roe, Linda Sanchez, and Robert Aderholt.