It's Always Sunny in Philadelphia's Glenn Howerton Is a Dad!

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Glenn Howerton wasn't entirely prepared to become a father.

Though the 35-year-old It's Always Sunny in Philadelphia star and his wife Jill Latiano welcomed Miles Robert on Monday, they hadn't agreed on a name prior to their son's birth.

"It was a last resort thing," he said on Conan Wednesday. "My wife and I thought it would be a good idea to wait to see the baby first before we actually decided what his name would be. That wasn't a good idea. We thought it would be a good idea to get a sense of the guy."

"Then we saw him and he looked like a tiny little baby alien grandpa creature and I was like, 'I'm not getting any information from this -- at all,'" the actor laughed.

Howerton and Latiano wed on September 8, 2009. This is the first child for the couple.