Colonel Sassacre is a famous humorist, and the author of Colonel Sassacre's Awe-inspiring Book of Magical Frivolity and Useful Tidbits. 

His wife is the legendary pastry chef Baroness Betty Crocker, who owns the company of the same name. His dog, Halley, is the genetic template from which Becquerel is created. 

He becomes Nanny's adoptive grandfather, rescuing her from a meteor that struck his wife's bakery on April 13, 1910. Eight days later, on April 21, another meteor struck Halley's kennel