|Family||Rod Alcock (Deceased)|
“Howdy! John Marston, the famous man himself!”
Nothing is known of Dewey's background. He has a relative, Rod Alcock, buried at Coot's Chapel.
- Dewey shares the same character head with Clyde Evans, Milford Weaver, Louis Granger, Herman Ruff, Clifford Ray and Elvin Coggins.