- This character is the fictional nephew of Jerry Lewis, a real person. He does not actually exist.
- In Absolute Crisis on Infinite Earths, the pre-Crisis adventures of the fictional character Jerry Lewis and his associated cast were assigned to Earth-Twelve.
- While Adventures of Jerry Lewis was a licensed title and DC Comics does not own the stories (or the character of Jerry Lewis), DC does own the original characters they created for the series, including Renfrew.
- 35 Appearances of Renfrew (Earth-Twelve)
- 2 Images featuring Renfrew (Earth-Twelve)
- Quotations by or about Renfrew (Earth-Twelve)
- Character Gallery: Renfrew (Earth-Twelve)
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