William Lutz

Colonel William Lutz was the inventor of Colonel Jerkey.

Physical appearance
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Personality
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Early life
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Be Cool, Scooby-Doo!
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Appearances

 * Be Cool, Scooby-Doo!
 * 113. Where There's a Will, There's a Wraith (flashback, no lines)

Notes/trivia

 * If Cal and Kenneth aren't brothers, then Colonel Lutz has at least three brothers.