Rep. Ro Khanna, D-Pa., and his scheduler Angela’s dog, Jillian. Little Jillian runs the show when she’s in the office and is known to be the office greeter. (Courtesy Humane Rescue Alliance)

Sen. Mazie Hirono, D-Hawaii, and staffer Anthony’s dog, Beacon. Beacon was adopted a few years ago when he caught his dad’s eye while he was accompanying D.C. Council member Mary Cheh on a tour of the New York Avenue Adoption Center. (Courtesy Humane Rescue Alliance)