Cal Lutz

Cal Lutz is the nephew of the late, Colonel William Lutz.

Physical appearance
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Personality
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Be Cool, Scooby-Doo!
Cal was the first to arrive at his uncle's mansion, which he was to recieve in his uncle's will, along with his other relatives and Scooby-Doo. As he settled in, he was scared away by a phantom, which was later revealed by the gang to be his young twin cousins, Ruby & Trudy, who were trying to scare away all their relatives and Scooby, so they could have the mansion all to themselves.

Appearances

 * Be Cool, Scooby-Doo!
 * 113. Where There's a Will, There's a Wraith