- "Olaf" is from the Old Norse name Áleifr meaning "ancestor's descendent", derived from the elements anu "ancestor" and leifr "descendent". This was the name of five kings of Norway, including Saint Olaf (Olaf II).
- Harry Potter: Quidditch World Cup
- Harry Potter and the Half-Blood Prince (video game) (Appears on a Famous Wizard Card)
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