One of her first comic strips was for her university newspaper. The comic was about a student who was half man and half mosquito who was fly-swatted at the end.[2] Once she obtained her degree, worked as a waitress at a restaurant in New Jersey while developing her comic Polar Circle, later named Arctic Circle. Hallatt also went on to work in clinical research[3] for seven years[citation needed] before becoming a full-time cartoonist in 1999 where she landed a job working for Brighton's daily newspaper.[citation needed] In 2003, she moved to Lyttelton, New Zealand, before moving to Australia in 2008.[4][5] In 2012, she returned to England. The American syndicate King Features distributes her comic Arctic Circle.[2] Her webcomic, Human Cull, appears on GoComics.com.[1]
Hallatt writes and illustrates books for children. Her first chapter book, FAB (Friends Against Bullying) Club, was published in 2016.[citation needed]