Julia Niblock (Chryss) was a founding member of Attrition with Martin Bowes. Her brother, Ashley Niblock, joined the band in time to record their debut album. In 1985, Julia left Attrition for the first time and later joined The Legendary Pink Dots for the Asylum album as Poison Barbarella. She has rejoined Attrition a number of times over the years. Julia is married to John Waller.