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

Mike Tyson
Age: 45
Occupation: Former Boxer
Known For: Multiple heavyweight boxing titles, biting off a piece of Evander Holyfield's ear, a rape conviction, and an odd obsession with racing pigeons (currently showcased in the Animal Planet reality show 'Taking on Tyson')

Michael Phelps
Age: 26
Occupation: Swimmer
Known For: Holding the record for the most gold medals won in a single Olympics (eight at the 2008 Beijing Games) and losing his Kellogg's endorsement deal after he was rather unfortunately photographed enjoying "herbal remedies" at a party

David Alan Grier
Age: 55
Occupation: Actor and Comedian
Known For: His work on the sketch comedy TV show 'In Living Color' and in films such as 'Boomerang'

Cheryl Cole
Age: 28
Occupation: Singer and Television Personality
Known For: Setting a landspeed record for celebrity job loss when she was hired as a judge on the upcoming US show 'The X Factor,' fired less than a month later, and then shortly thereafter lost her existing gig on the UK version of the same show as well

Fantasia Barrino
Age: 27
Occupation: Singer and Actress
Known For: Winning the third season of 'American Idol,' starring in the stage production of 'The Color Purple,' writing a memoir in which she revealed she is functionally illiterate, and a 2010 suicide attempt