Bindi Sue Irwin is an Australian television personality, conservationist, zookeeper and actress. She is the elder of the two children of conservationist and television personality Steve Irwin and his conservationist wife, Terri Irwin, who is currently the owner of Australia Zoo. Bindi's younger brother is Robert, a television personality and photographer, and she is the granddaughter of naturalist and herpetologist Bob Irwin.

Stephen Robert Irwin, known as "The Crocodile Hunter", was an Australian zookeeper, conservationist, television personality, wildlife educator, and environmentalist.