Neil Patrick Harris and David Burtka 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.