Robin Charles Scherbatsky, Jr. (born July 23, 1980) is a Scotch-drinking, cigar-smoking, gun-toting Canadian pop-star-turned-journalist-turned-morning-show-host. Robin befriended the gang in 2005 after an awkward date with Ted Mosby. The fiercely independent woman is Lily's best friend and Ted's ex-roommate as well as an ex-girlfriend to both Ted and Barney. In 2013 she gets married to Barney, but they get divorced in 2016 and she gets back together with Ted in 2030, six years after his wife died.

Robin was born in Canada. Her father wanted a son and named her Robin Charles Scherbatsky Jr.At a young age, she cultivated her skeptic mentality when her dog, Sir Scratchewan , "miraculously" transformed into a tortoise as a result of a breakthrough medical procedure "a canine testudine cerebro xenograft". It was while living with her mother that Robin would embark on journey to become a Canadian pop sensation, going by the name Robin Sparkles. She began by starring on the kids show Space Teens. Robin's first journalism job was as a cub reporter at Channel 22 in Red Deer, Alberta (The Possimpible). She eventually moved to New York as a field reporter for Metro News 1 where she would do the "fluff pieces at the end of the news".

Lily and Robin are best friends and confidants. When Lily and Marshall decided to sleep separately for the last two weeks of their engagement, Robin offers for her to stay with her.

Ted is Robin's main romance through out the series. After an awkward date where Ted professed his love for Robin. Though Ted finally lets go of Robin on the day of her wedding to Barney, it is revealed in the series' finale that she and Barney got divorced. Robin develops feelings for Ted, Ted's wife dies and Ted end up together after Ted's kids give him permission to be together with Robin, after their mother died six years earlier.

In 2006, when Robin joined Barney for a "bros' night out" where Barney was delighted to learn that Robin was quite good at being a bro. If Robin didn't have feelings for Ted at the time, the two might have started their relationship much sooner. It wasn't until 2008 that the two would have the sex Barney suggested in 2006 and another year before Barney would confess his feelings for her.

They dated for a few months but, despite loving each other, found themselves miserable and fighting all the time. Agreeing that "two awesomes cancel each other out," they decided to be "two friends getting back together" (rather than break up).

Robin is engaged to Barney.In The End of the Aisle they are married. In Last Forever - Part One They get divorced in 2016.