Steve Irwin Steve Irwin, shown with his family in a 2006 photo, would have been 58 on Saturday.
Australia Zoo Imagery BEERWAH, AUSTRALIA - AUGUST 02: Steve Irwin poses with his son Bob at Australia Zoo August 2, 2006 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images) (Handout/Getty Images)
SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** "The Crocodile Hunter", Steve Irwin, (R) shows a snake to his wife Terri (L) at the San Francisco Zoo on June 26, 2002 in San Francisco, California.
2002 Getty File Photo: 'Crocodile Hunter' Steve Irwin with his wife Terri Irwin, and daughter Bindi Irwin, and a baby crocodile at Australia Zoo in Queensland.
Russell Crowe, Steve Irwin and Jay Leno BURBANK, CA - NOVEMBER 6: Actor Russell Crowe (L) and "Crocodile Hynter" Steve Irwin appear on "The Tonight Show with Jay Leno" at the NBC Studios on November 6, 2003 in Burbank, California. (Photo by Kevin Winter/Getty Images) (Kevin Winter/Getty Images)
Australia Zoo Imagery BEERWAH, AUSTRALIA - JUNE 19: Steve Irwin poses with his family at Australia Zoo June 19, 2006 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images) (Handout/Getty Images)
Steve Irwin Appears On The Tonight Show with Jay Leno BURBANK, CA - FEBRUARY 4: TV's "Crocodile Hunter" Steve Irwin (L) appears with baby white tigers on "The Tonight Show with Jay Leno" at the NBC studios February 4, 2003 in Burbank, California. (Photo by Kevin Winter/Getty Images) (Kevin Winter/Getty Images)
Australia Zoo Imagery BEERWAH, AUSTRALIA - JUNE 1: Steve Irwin poses with a tiger at Australia Zoo June 1, 2005 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images) (Handout/Getty Images)
Penfolds Icon Gala Dinner - Arrivals LOS ANGELES - JANUARY 14: (from left to right) Actor Hugh Jackman, crocodile hunter Steve Irwin and actress Deborra-Lee Furness arrive at the Penfolds Icon Gala presented by G'Day La: Australia Week 2006 at the Palladium on January 14, 2006 in Los Angeles, California. (Photo by Michael Buckner/Getty Images) (Michael Buckner/Getty Images)
Crocodile Hunter Steve Irwin SAN FRANCISCO - JUNE 26: ***EXCLUSIVE*** "The Crocodile Hunter", Steve Irwin, poses with a three foot long alligator at the San Francisco Zoo on June 26, 2002 in San Francisco, California. Irwin is on a 3-week tour to promote the release of his first feature film, "The Crocodile Hunter: Collision Course", due in theaters July 12th. (Photo by Justin Sullivan/Getty Images) (Justin Sullivan/Getty Images)
Steve Irwin Appears On The Tonight Show with Jay Leno BURBANK, CA - FEBRUARY 4: TV's "Crocodile Hunter" Steve Irwin (L) wraps an anaconda snake around host Jay Leno on "The Tonight Show with Jay Leno" at the NBC studios February 4, 2003 in Burbank, California. (Photo by Kevin Winter/Getty Images) (Kevin Winter/Getty Images)
Australia Zoo Imagery BEERWAH, AUSTRALIA - SEPTEMBER 16: Steve Irwin poses with an elephant at Australia Zoo September 16, 2006 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images) (Handout/Getty Images)
Penfolds Icon Gala Dinner - Arrivals LOS ANGELES - JANUARY 14: Crocodile Hunter Steve Irwin arrives at the Penfolds Icon Gala presented by G'Day La: Australia Week 2006 at the Palladium on January 14, 2006 in Los Angeles, California. (Photo by Michael Buckner/Getty Images) (Michael Buckner/Getty Images)
Penfolds Icon Gala Dinner - Arrivals LOS ANGELES - JANUARY 14: Crocodile Hunter Steve Irwin arrives at the Penfolds Icon Gala presented by G'Day La: Australia Week 2006 at the Palladium on January 14, 2006 in Los Angeles, California. (Photo by Michael Buckner/Getty Images) (Michael Buckner/Getty Images)
Australia Zoo Imagery BEERWAH, AUSTRALIA - AUGUST 6: Steve Irwin poses at Australia Zoo August 6, 2003 in Beerwah, Australia. (Photo by Australia Zoo via Getty Images) (Handout/Getty Images)
Steve Irwin and Jay Leno BURBANK, CA - NOVEMBER 6: "Crocodile Hunter" Steve Irwin appears on "The Tonight Show with Jay Leno" at the NBC Studios on November 6, 2003 in Burbank, California. (Photo by Kevin Winter/Getty Images) (Kevin Winter/Getty Images)