|"There are plenty of eye-witness accounts. Just because you're so narrow-minded you need to have everything shoved under your nose before you–"
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- "...He know what it's like..."
- —The wizard[src]
There are many things that could have made the Whispering wizard act like he did. They could include:
- The Imperius Curse
- The Dementors Kiss
- The Cruciatus Curse
- Harry Potter and the Half-Blood Prince (film) (First appearance)