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.
Taran Killam
Killam made six guest appearances as Gary Blauman on his wife Cobie Smulders' TV series, "How I Met Your Mother". His first appearance was in the March 20, 2006 episode, "Life Among the Gorillas" and the final one was the March 24, 2014 episode, "The End of the Aisle".