Robert and Terri Irwin are reflecting on Steve Irwin's legacy as the 20-year anniversary of his passing approaches. Speaking at the Steve Irwin Gala, they discussed what would surprise the iconic wildlife conservationist most. Terri noted that Steve would be impressed by the philanthropic work in Las Vegas. Robert added that his dad's character continues to inspire people. He emphasized the strength of his mother in keeping the legacy alive. Irwin, known as “The Crocodile Hunter,” passed away in September 2006. Bindi Irwin was absent from the event.