Lachy is the Purple Wiggle, who replaced Jeff in 2013.
He plays the keyboards, just like Jeff, which makes him the only Wiggle in the new generation to play the same instrument as his same-coloured predecessor. He also plays the tambourine, guitar, and accordion on occasion.
He likes inventing, but most of his inventions backfire and don't go well.
- He is the current youngest male Wiggle after Sam.
- He likes playing all types of pianos and keyboards.
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|Current Main Characters||Emma Wiggle -Simon Wiggle - Lachy Wiggle - Anthony Wiggle|
|Former Main Characters||Greg Wiggle - Murray Wiggle - Jeff Wiggle - Sam Wiggle - Phillip Wiggle|
|Minor Characters||Officer Beaples - The Wagettes - The Wiggly Dancers - Hot-Pots The Oven - Foodman - Paul the Cook - Flora Door - The Little Wiggles - Magdalena the Mermaid - Professor Singalottasonga - Santa Claus - Ringo the Ringmaster - Wally the Great|
|Guest Stars||Lee Hawkins - Steve Irwin - Kylie Minogue - Al Roker - Leo Sayer - Robert Rakete - Ross Wilson - Alfonso Rinaldi - Daryl Somers|