Question: Wildlife Warriors is a conservationist organisation that was established by a zookeeper who had what nickname?

Context paragraphs:
Edwin B. Forsythe National Wildlife Refuge: The Edwin B. Forsythe National Wildlife Refuge is a United States National Wildlife Refuge located in southern New Jersey along the Atlantic coast north of Atlantic City, in Atlantic and Ocean counties.  The refuge was created in 1984 out of two existing refuge parcels created to protect tidal wetland and shallow bay habitat for migratory water birds.  The Barnegat Division (established in 1967) is located in Ocean County on the inland side of Barnegat Bay.  The Brigantine Division (established in 1939) is located approximately 10 miles (16 km) north of Atlantic City along the south bank of the mouth of the Mullica River.  The two divisions are separated by approximately 20 miles (32 km).  The refuge is located along most active flight paths of the Atlantic Flyway, making it an important link in the network of national wildlife refuges administered nationwide by the U.S. Fish and Wildlife Service.  Forsythe Refuge is a part of the Hudson River/New York Bight Ecosystem and The New Jersey Coastal Heritage Trail Route.  The refuge is named for Edwin B. Forsythe, conservationist Congressman from New Jersey.

Jeremy Mallinson: Jeremy J. C. Mallinson OBE is a conservationist associated with the Durrell Wildlife Park and Durrell Wildlife Conservation Trust.  He joined the zoo in 1960, but his great dedication saw him become Head of Mammals, and ultimately the Director of the Trust when he retired in 2002.  Jeremy Mallinson was awarded the OBE in 1997 for services rendered unto conservation.  He was also awarded the "Wildlife Conservation Award" from the Zoological Society of San Diego upon retirement in 2002.  Mallinson was a close personal friend of Gerald Durrell, the founder of the Durell Wildlife Park and Durrell Wildlife Conservation Trust.

The Florida Wildlife Corridor Expedition: The Florida Wildlife Corridor Expedition: Everglades to Okefenokee was a 1,000 mile expedition over a 100-day period launched on January 17, 2012 to increase public awareness and generate support for the Florida Wildlife Corridor project.  Bear biologist Joe Guthrie, conservationist Mallory Lykes Dimmitt, filmmaker Elam Stoltzfus and photojournalist Carlton Ward Jr. trekked from Everglades National Park toward Okefenokee National Wildlife Refuge in southern Georgia.  The trio traversed the wildlife habitats, watersheds, working farms and ranches, that comprise the Florida Wildlife Corridor opportunity area.  They traveled on foot, mountain bike, standup paddleboard, kayak, horseback, and occasionally swimming.

Steve Irwin: Stephen Robert Irwin (22 February 1962 – 4 September 2006), nicknamed "The Crocodile Hunter", was an Australian zookeeper, conservationist and television personality.  Irwin achieved worldwide fame from the television series "The Crocodile Hunter" (1996–2007), an internationally broadcast wildlife documentary series which he co-hosted with his wife Terri; the couple also hosted the series, "Croc Files" (1999–2001), "The Crocodile Hunter Diaries" (2002–2006), and "New Breed Vets" (2005).  Together, the couple also owned and operated Australia Zoo, founded by Irwin's parents in Beerwah, about 80 km north of the Queensland state capital city of Brisbane.

David Macdonald (biologist): David Whyte Macdonald is a Scottish zoologist and conservationist.  He is the Director of the Wildlife Conservation Research Unit (WildCRU) at the University of Oxford, which he founded in 1986.  He is Oxford's first Professor of Wildlife Conservation, holding a Senior Research Fellowship at Lady Margaret Hall.  He has been an active wildlife conservationist since graduating from Oxford.

Gerald Durrell: Gerald Malcolm Durrell, OBE (7 January 1925 – 30 January 1995) was a British naturalist, zookeeper, conservationist, author and television presenter.  He founded what are now called the Durrell Wildlife Conservation Trust and the Durrell Wildlife Park on the Channel Island of Jersey in 1959.  He wrote a number of books based on his life as an animal collector and enthusiast.  He was the youngest brother of novelist Lawrence Durrell.

Bob Irwin: Robert "Bob" Irwin (born 8 June 1939) is an Australian naturalist, animal conservationist, former zookeeper, and a pioneering herpetologist who is also famous for his conservation and husbandry work with apex predators and reptiles.  He is the father of the late conservationist and television personality Steve Irwin.  He continues to campaign for wildlife and its environment through his foundation: Bob Irwin Wildlife and Conservation Foundation Inc.

Wildlife Warriors: Wildlife Warriors, originally called the Steve Irwin Conservation Foundation, is a conservationist organisation that was established in 2002 by Steve Irwin, and his wife Terri Irwin to involve and educate others in the protection of injured, threatened or endangered wildlife.  Terri Irwin is still involved in the organisation as patron and significant advisor.

George Schaller: George Beals Schaller (born 1933) is a German-born American mammalogist, biologist, conservationist and author.  Schaller is recognized by many as the world's preeminent field biologist, studying wildlife throughout Africa, Asia and South America.  Born in Berlin, Schaller grew up in Germany, but moved to Missouri as a teen.  He is vice president of Panthera Corporation and serves as chairman of their Cat Advisory Council along with renowned conservationist and Panthera CEO Alan Rabinowitz.  Schaller is also a senior conservationist at the Bronx Zoo-based Wildlife Conservation Society.

Steve Irwin's Wildlife Warriors: Steve Irwin's Wildlife Warriors is an Australian factual television series.  It aired on Network Ten on 6 October 2012.  It stars Bindi Irwin, Terri Irwin, and Robert C. Irwin.  The show is a tribute to Steve Irwin.

Supporting paragraphs: Wildlife Warriors Steve Irwin
Answer: The Crocodile Hunter