Charlie Day & Mary Elizabeth Ellis Welcome Baby Russell!

Getting quite the special holiday gift, Charlie Day and wife Mary Elizabeth Ellis are the proud parents of a beautiful baby boy!

According to People magazine, the "It's Always Sunny in Philadelphia" co-star couple welcomed son Russell Wallace Day into the world on Thursday, December 15th.

Releasing a joint statement, Charlie and Mary Elizabeth told, “We are overjoyed and overwhelmed at the amount of love that ushered our baby into the world.

Baby Russell arrived at 7:59 p.m. while weighing in at a healthy 7 lbs., 13 oz. and measuring 21.5 inches in length.