Greasy Greta, also known as the Demon Dinner Lady, is the lady from the counter in the school cafeteria, her sole Book/TV appearance 'Horrid Henry and the Demon Dinner Lady'. When she sent to look after the kids in the lunch room because they were badly behaving and she always said 'Give me your treats now Child!", but as soon as she ate far too many treats, she was wheeled out of the school on a trolley, by Soggy Sid.He is stopped by Henry by eating his packed lunch Chilli Powder Biscuits with Rude Ralph's doughnut.