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FD67BFC3-2779-4739-B540-AD26D9AA1E16 This article is a stub and would benefit greatly if it contained more information. Please help the Captain Underpants Wiki by expanding it.

Don’t be a fool with your life!
  —Mr. Hoskins [src]  

William "Bill" Hoskins Sr. is the patriarch of the Hoskins family. He is Billy's father, Mary's husband, and Diaper Dog's current owner. 

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