Robert Clarence Irwin is an Australian conservationist, television personality, zookeeper, wildlife photographer and actor. He is the son of Steve Irwin, and is often noted by fans to share similarities with his late father. Irwin hosts Robert's Real Life Adventures, a program on his family zoo's internal television network. He co-hosted the Discovery Kids Channel television series Wild But True and co-created the book series Robert Irwin: Dinosaur Hunter. He starred on the Animal Planet series Crikey! It's the Irwins with his mother, Terri, and sister, Bindi, from 2018–2022.

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