List of How I Met Your Mother characters
The main characters are: Ted Mosby, a romantic searching for "The One"; Barney Stinson, a womanizer; Robin Scherbatsky, a journalist who moved to New York in 2005; and Marshall Eriksen and Lily Aldrin, a long-term couple. Although the show is based around The Mother, her first appearance is not until the season eight finale.
The Mother (How I Met Your Mother)
The Mother meets all of Ted's best friends - Barney, Robin, Lily Aldrin (Alyson Hannigan), and Marshall Eriksen (Jason Segel) - before she meets him. The Mother is responsible for convincing Barney to pursue Robin, as revealed through a flashback in "Platonish". In "The Locket", Tracy meets Lily on a train journey.