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Expansion This needs a stretch. (Feel free to remove when satisfied of completion.)
Needed:
* Physical appearance.
* Personality.
* History is incomplete.

Karl Castle is a radio personality on National People's Radio.

Physical appearance

Insert details here.

Personality

Insert details here.

History

Scooby-Doo! (DC Comics)

He shared Terri Grass' hatred of Car Chat and helped her run a broadcasting truck to harass it and try to get it off the air. He ran off when she was caught as the Phantom of the Air.

Appearances

Notes/trivia

  • His name is a parody of a real NPR radio personality, Carl Kassel, who appears on the show Wait Wait... Don't Tell Me!.
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