Famous for his hosting work on Australia's Seven Network, he contributed to Kids Say the Darndest Things (Australian edition); The World's Greatest Commercials; The Great Outdoors; and Olympic Sunrise. Also notable as a children's author, he penned It's All Good, Flushed, Muffin Top, and several other novels.
After studying briefly in the United States and ultimately graduating from the Melbourne Grammar School, he earned a degree in history and politics from Monash University.
He appeared on the Globe Trekker and I'm a Celebrity...Get Me Out of Here! television programs and contributed voiceover work to the reality show The Apprentice Australia.
Born into a family of entertainers, he grew up with a twin brother named Jamie Daddo and additional siblings named Belinda, Cameron, and Lochie. With his wife, Jacqui, he raised children named Felix, Anouk Bibi, and Jasper.
Daddo and radio host and famous skeptic Richard Saunders both appeared in a psychic ability-themed reality series titled The One.