Doc Platter is Peggy and Hoyt's father, Maddy's husband, Bobby's maternal grandfather, Luanne's paternal grandfather, and Gracie's great-grandfather. In earlier episodes, Doc was implied to be deceased as he was never seen or mentioned. In his only episode appearance "A Rover Runs Through It," Doc was depicted as being alive and a wise old cowboy who mainly spoke in seemingly nonsensical phrases which Hank found inspiring.
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