Neil Patrick Harris and David Burtka

The twins have arrived!

That would mean other things for Barney Stinson, whom Neil Patrick Harris portrays on CBS' How I Met Your Mother, but for the 37-year-old actor it means the twin babies he and partner David Burtka were expecting have been born.

Neil Patrick Harris and partner expecting twins

"Babies!! On 10/12, Gideon Scott and Harper Grace entered the Burtka-Harris fold," Harris tweeted. "All of us are happy, healthy, tired, and a little pukey."

In August, Harris announced on Twitter that he and Burtka, 35, were expecting twins. The couple used a surrogate.