At least we know who the mother is already!
The former Buffy the Vampire Slayer costars are also parents to 3-year-old Satyana. And in keeping with the names that mean something (Satyana is Sanskrit for truth or true), they've named their new addition...
Keeva Jane Denisof!
Keeva is a form of the Gaelic word caoimhe, which means gentleness and beauty. Pretty sweet, right?
"They are all doing well," Hannigan's rep says.
Being a mom "has changed me in every way because my life is so much greater," the How I Met Your Mother star told Us Weekly, which first broke today's baby news, back in 2010. "It filled a void I never knew was there—it's the most amazing experience of my life. I just feel so blessed to be on this journey, to be a mommy."
Congrats on being a mommy of two now!