Dr. Horatio Quentin Quack, chief surgeon and surgical instructor of Hedgehog Hospital, dressed in a blue-green Foxerly-Clark surgical gown, white Foxerly-Clark surgical gloves, a light blue-green Foxerly-Clark surgical cap, and is breathing in his white MoboTech MTN95DB-M/L-W duckbill-style disposable particulate surgical respirator mask over his beak, to protect his lungs from any harmful airbourne particles and nasty germs, Quack's mask also keeps his beak warm.