Sheen's ex, Denise Richards, was the one to announce the joy to the world via Twitter:
I guess some of you have heard... @charliesheen is going to be a Grampa...yes Grampa! his beautiful daughter Cassandra is gonna be a mama..
— Denise Richards (@DENISE_RICHARDS) January 15, 2013
Cassandra, 28, is Sheen's child with high school girlfriend Paula Profit, according to MercuryNews.com. The former (and future?) "Two and a Half Men" actor, 47, is currently dating a 24-year-old porn star, which could be fun for the kid in a bouncy-house sort of way.
In the meantime you can catch Hollywood's bad boy on his series "Anger Management," which was picked up for another 90 episodes, and in the upcoming "Scary Movie 5