First Appearance: Harry Barker and the Napier's Bones (August 11, 2008)
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In Sharon's dream world of Harry Barker, Donald Measly is a scruffy, unkempt boy in the same class as Harry at Hollerith's School of Phreaking and Hacking. He has shaggy black hair, large ears, and a face fully of tiny freckles. His official school robes are obviously hand-me-downs, perhaps from an older sibling, and have been mended with obvious patches. His input device is a mouse, which is eventually revealed to be the murderer Petey Petagrue in disguise. He is in Torvalds Subnet along with Harry.