Autumn Reeser Autumn Reeser

Actress Autumn Reeser and her husband Jesse Warren welcomed a son Tuesday morning, according to a tweet from the newborn. It's the first child for the couple.

"Here I am, world! 5-10-11 (at 10:53am) just got a whole lot more awesome!" reads the tweet from Baby Finn. It was followed immediately by, "It is BRIGHT out here!"

VIDEO: Autumn Reeser announces pregnancy on Jimmy Kimmel Live

Finn's Twitter account (@Baby_Warren) states that he's been tweeting "since I was a fetus." Well, those tiny little thumbs have to be good for something.

Finn apparently takes after at least one social media-savvy parent. The elder Warren also has his own Twitter account: @Jesse_Warren. Reeser, who has also appeared on Entourage and The O.C., married the writer-director in 2009.

What do you think about the new arrival ... and his tweeting skills?