Underwater Santa Claus

A tropical fish examines Jerry Cowley, aquatic safety manager at the Silverton Hotel-Casino as he interacts with children as an underwater Santa Claus, Dec. 9, 2012, at the casino's aquarium in Las Vegas. On weekends during the Christmas season, Cowley dives dressed as Santa into the 117-gallon aquarium tank for 90 minutes to take Christmas present requests from children using an underwater microphone and to pose for photos.

A stingray glides overhead as Jerry Cowley, aquatic safety manager at the Silverton Hotel-Casino interacts with guests as an underwater Santa Claus, Dec. 9, 2012, at the casino's aquarium in Las Vegas.

A stingray glides up the side of the aquarium wall as Heather Carrasco poses for photos dressed as Santa's helper at the Silverton Hotel-Casino, Dec. 9, 2012, in Las Vegas.

Jerry Cowley, aquatic safety manager at the Silverton Hotel-Casino swims to the surface after interacting with guests as an underwater Santa Claus, Dec. 9, 2012, at the casino's aquarium in Las Vegas.

Jerry Cowley, aquatic safety manager at the Silverton Hotel-Casino interacts with children as an underwater Santa Claus, Dec. 9, 2012, at the casino's aquarium in Las Vegas.

Dressed in a Santa Claus outfit, a diver performs with sardines at the Coex Aquarium in Seoul, South Korea, Dec. 11, 2012. Christmas is one of the biggest holidays in South Korea, where over half of the population are Christians.

Dressed in a Santa Claus outfit, a diver feeds to sardines at the Coex Aquarium in Seoul, South Korea, Dec. 11, 2012.

Dressed in a Santa Claus outfit, a diver greets a child at the Coex Aquarium in Seoul, South Korea, Dec. 11, 2012.

Dressed in a Santa Claus outfit, a diver feeds to sardines at the Coex Aquarium in Seoul, South Korea, Dec. 11, 2012.