Dr. Dog is an American rock band based in Philadelphia. Its lineup consists of Toby Leaman (bass), Scott McMicken, Frank McElroy, Zach Miller (keyboard), Eric Slick (drums), and Michael Libramento. Lead vocal duties are shared between Leaman and McMicken, and all members contribute harmonies. In addition, each band member has a nickname beginning with the letter T and they have explained that friends of the band also receive nicknames, which are drawn from aspects of their lives and personalities.