Tom and Ted were born in Mackey, Queensland, Australia, by the time they were 17 they were the youngest professional riders in rodeos and began developing their interest in showmanship that included whip cracking, rifle-shooting and card tricks. In 1950 they were signed to the fledgling Rodeo label, where they released five singles, all of which did well. The LeGardes were billed as "Australia’s Yodeling Stockmen" and in 1952 they signed with the prestigious Regal-Zonophone label and released a string of singles. The LeGarde Twins appeared with Hopalong Cassidy (William Boyd) when he toured Australia in 1954.

In 1957 they move to Hollywood, CA. in the U.S., where they worked on Doye O’Dell’s Western Varieties TV shows and hosted their own TV series on KTLA-TV Los Angeles. By 1958 they moved Nashville and released Freight Train Yodel on Dot, 1960 released their single, "Baby Sitter" on Liberty, the following year released Roll Rock And Roll That Hula Hoop on Bel Canto Records and appeared on the Grand Ole Opry singing their self-penned song "Cooee Call". The LeGardes Twins moved back to Australia in 1963 and began shows bring in Marty Robbins, Speedy West and Lorne Greene. They began recording for Columbia and cut three albums, Ballads Of The Bushland, Twincerely Yours, and Songs Of Slim and Dusty, they also began emceeing two Country music shows, Studio A, which was built around them, and Country Style which they took over. By 1965 their business interests had come to an end and they moved back to the U.S.

For a while the LeGardes Twins they were managed by Colonel Tom Parker and appeared in Las Vegas. They also appeared in the Star Trek series as androids in the episode Planet Mud. Over the next few years, the LeGarde Twins recorded singles for Era (1968), Enity (1968), Dot (1972), American Heritage (1972) and Edge (1974). In 1975, they recorded True Love with Gary Paxton producing, which was released on Raindrop Records. In 1978, this single became a Top 90 Country hit. In the meanwhile, the twins had recorded for Koala in 1976 and then in 1979 again with Gary Paxton producing, they had another Top 90 single, I Can Almost Touch The Feelin' on Four Star. The following year, The LeGardes Twins scraped into the charts with Daddy’s Making Records In Nashville, which was released on Invitation. On January 27, 1987 they imprinted their hands in Tamworth’s Hands of Fame, being recognized as significant contributors to the history of Australian Country Music. During the 80’s The LeGarde Twins became very popular in Britain, appearing at the Wembley Festival and in 1988 hosting one of the concerts. That year they made another basement entry on the country chart with Crocodile Man From Walk About Creek on the Bear label. In recent years, the LeGarde Twins have operated their own LeGarde Twins Country Music Theatre out of Twitty City in Hendersonville, Tennessee. With the death of Conway Twitty and the sale of Twitty City, The LeGardes Twins relocated their theater to the Quality Inn Hall of Fame Hotel close to Nashville’s Music Row.