1. I am the Headmaster of the Hogwarts School of Witchcraft and Wizardry. I wear half-moon-shaped spectacles. Who am I?   Hint First letter clue   2. I am a ruthless villain. I am an extremely intelligent and powerful Dark Wizard. Who am I?   First letter clue   3. I am a 'Squib'. I like to punish students for 'looking happy' or 'breathing loudly'. Who am I?   First letter clue   4. I am an Unspeakable in the Department of Mysteries. I have been strangled by a potted Devil's Snare plant. Who am I?   First letter clue   5. My brother's name is Sirius. I have been a member of the Death Eaters. Who am I?   First letter clue   6. My younger brother's name is Colin. I was rescued by a giant squid when I fell into a cold lake. Who am I?   First letter clue   7. I am a former Headmaster of Hogwarts School of Witchcraft and Wizardry. My great-great-grandson's name is Sirius. Who am I?   First letter clue