Rufus Lums work on Waldo’s asteroid. They are supposed to be reasonably competent mechanics but when I say reasonably, I mean in comparison to the rest of the staff. They spend quite a bit of their wages on tattoos and have even developed a self tattooing machine which they use on themselves occasionally. So far the results are quite impressive. It can work in full colour and has ‘mum’ and ‘dad’ modes too. Worth a try!