|Debut||Harvey's Favorite Book|
Detective Dirk is a minor character in Harvey Beaks. He is a fictional character from the titular book series. 
Detective Dirk is a mouse who wears a beret, a bowtie, a dectective coat, and shorts.
- 108A. "The Ghost Problem" (cameo on a book cover)
- 111B. Harvey's Favorite Book
- 118B. The Storm (cameo on a coloring book)
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