Himym and Dr horrible xover. Barney and Robin are planning their wedding when Barney had a run in with someone from his past. Suddenly a part of him is revealed to his fiance, a past he never thought to reveal.

Barney is definitely the evil twin between the two, but when Billy shows up in need of help, there isn't actually a world where he says no.

In my first crossover ever with an alternate plot, Dr. Horrible relocated to New York City after defeating Captain Hammer & starts a new life with his new friends as Barney Stinson. But what happens when Captain Hammer becomes New York's greatest hero?

Robin had always been a government secret agent, working in the SHIELD Initiative, but when she realized that this job was too difficult, she had no choice but to temporarily step out. Now, several years later, Robin is assigned to the case of the infamous Dr. Horrible (Barney, naturally) and called back in to flag him down and finish the job. Avengers/HIMYM/Dr. Horrible crossover.

One year after Barney's death, Robin runs into a very familiar face.

It's so secret that Barney Stinson is a man of many secrets, but there are some that he himself has kept buried from everyone for the past 7 years. And their names are Dr. Horrible and Penny. So when fate has it that he meets a certain Captain again, he once again dons the white coat. HIMYM/Dr. Horrible/Castle crossover. takes place when Barney/Robin are dating. rated T for BARNEY.

What if, after years of successful hammering-down, Barney's past finally caught up to him?

Some short fics about Billy and Barney In a completely no slash way; and yes the title is stolen from a MCR song Rated T for possible swearing; might go up if I'm in that sorta mood. "Twin theory"...I guess.

Billy and Barney struggle to reclaim their lives and have some fun along the way. Barney/Robin

Set after Act III; Dr Horrible/Billy moves to New York as Barney Stinson and Moist becomes Howard Wolowitz in Pasadena. What if Bad Horse sends them a letter to come back to LA for a meeting? And their friends come along? This isn't good...

Just when you think you know someone, life throws you a curve ball you don't see coming. "Barney...why is there a giant gun in your suitcase?"

Sequel to Billy Stinson. Recommended reading: A Penny for Your Thoughts & Horribleness. For every day there is a night. For every world there is an underworld. For every hero there is a villain. Appearances can be deceiving.

HIMYM & Dr. Horrible crossover. What does Barney Stinson really do for a living? Why, of all places, did he decide to fulfill his community service hours at a homeless shelter? And why, oh why, does he seem to hate frozen yogurt so much?

Ted plus Internet. Marshall plus conspiracy theories. Robin is relieved that it's not another cat video. Oneshot.

Just when they thought they found all of the doppelgangers, Robin finds an interesting video on Youtube. Spoilers for Season 6 of HIMYM and the end of Dr. Horrible. One-shot

It has been years since the Evil League of Evil and the Council of Champions battled across the landscape of Los Angeles. Now they resurface in New York City, and Barney finds himself acting strange... After Act 3 and during Season 6. My first fic, ever.

Random stories about Barney Stinson and Billy Buddy throughout their lives, and eventually their first meeting.

Don Frank is taken out by the ELE. Set after HIMYM Season 5 - Of Course

One-shot follow up to HIMDH, but can stand alone--- There's a bank heist, and Dr. Horrible/Barney is caught in the middle of it, much to his annoyance.

Robin makes a surprising discovery...

Barney's life changes with phone call. and how will Dr.Horrible survive in NYC?

- Traduction de la fic de Idioticonion - UA – Robin tombe sur quelque chose au milieu des déguisements de Barney. Spoilers pour Le Possimpossible - saison 4, épisode 14 - et Dr. Horrible's Sing-Along Blog.

AU - Robin stumbles on something amongst Barney's fancy dress costumes. Spoilers for The Possimpible and Dr Horrible's Sing Along Blog

Barney Stinson and Billy "Horrible" trade places and wreck havoc on each other's lives. A Dr. Horrible/How I Met Your Mother Crossover. Barney/Robin. Billy/Penny. Barney/Penny. Billy/Robin.

A How I Met Your Mother/DHSAB X-Over. Gen, Humor. Characters: Bad Horse, Barney Stinson. Season: HIMYM Season Four. DHSAB Post-Act III. Spoilers: HIMYM: The Possimpible. DHSAB: General Knowledge. Summary: A Viral Video Gets The Attention Of Bad Horse.