Lachlan Bones (born September 20, 2028 in Sydney, Australia) is the adoptive son of Joanne and Louie Bones and the vigintuplet brother of Lark, Audrianna, Kaelen, Kiel, Adaline, Abbey, Adnoartina, Darniel, Lawson, Bruno, Honour, Bindi, Elias, Gavin, Jewel, Jody, Jaylen, Hayley and Coleen.
- Father: Louie Bones
- Mother: Joanne Bones
- Brothers: Kaelen Bones, Kiel Bones, Darniel Bones, Lawson Bones, Bruno Bones, Elias Bones, Gavin Bones, Jaylen Bones
- Sisters: Lark Bones, Audrianna Bones, Adaline Bones, Abbey Bones, Adnoartina Bones, Honour Bones, Bindi Bones, Jewel Bones, Jody Bones, Hayley Bones, Coleen Bones
- His full name is Lachlan Olan Bones
- He receives coal for Christmas 2030
- For Halloween 2030, he was dressed up as a Zombie Hunter