Here's a look at some notable birthdays being celebrated today:

Joe Greene
Age: 65
Occupation: Retired Professional Football Player
Known For: Four Superbowl championships as the defensive tackle of the Pittsburgh Steelers, being one of the greatest defensive linemen of all time, his nickname "Mean Joe Greene," and his famous 1979 Coke commercial

Nia Vardalos
Age: 49
Occupation: Actress and Screenwriter
Known For: Writing and starring in the 2002 Academy Award–nominated film 'My Big Fat Greek Wedding'

Lou Dobbs
Age: 66
Occupation: Television Host
Known For: Being the former host of CNN's 'Lou Dobbs Tonight,' currently hosting the radio show 'Lou Dobbs Radio' and serving as a journalist on Fox Business Network, and his controversial views on immigration

Kevin Sorbo
Age: 53
Occupation: Actor
Known For: Playing Hercules in 'Hercules: The Legendary Journeys' and Captain Dylan Hunt in 'Andromeda'

Shawn Crahan
Age: 43
Occupation: Drummer
Known For: Serving as one of the two custom percussionists of the Grammy-winning heavy metal band Slipknot