Halloween Separated at Birth: Donald Doesn't Know Which Witch is Witch

(top) cover of Donald Duck #26 (Dell, November 1952), pencils and inks by Carl Barks;
(bottom) Halloween in Duckburg (1973), oil painting by Carl Barks
(Click picture to Disney-size)

Duckburg: Hellmouth (Day 27)

Huey, Dewey, and Louis: Junior Woodchucks #71 (December 1981), pencils and inks by Kay Wright (?)

Duckburg: Hellmouth (Day 26)

Donald Duck Adventures #38 (June 1996), pencils and inks by William Van Horn, colors by Gary Leach

Duckburg: Hellmouth (Day 25)

Donald Duck [and Friends] #332 (October 2005), pencils by César Ferioli Pelaez, colors by Susan Kolberg

Duckburg: Hellmouth (Day 22)

Donald Duck Adventures #20 (January 1992), pencils and inks by William Van Horn, colors by Gail Bailey

Duckburg: Hellmouth (Day 20)

Donald Duck Adventures #14 (August 1989), art by Carl Barks

Duckburg: Hellmouth (Day 19)

Donald Duck Adventures #35 (December 1995), layouts by Russell Schroeder, pencils by Pat Block, inks by Pat Block, colors by Susan Daigle-Leach

Duckburg: Hellmouth (Day 18)

The Carl Barks Library of Walt Disney's Comics and Stories in Color #14 (February 1993), art by Carl Barks

Duckburg: Hellmouth (Day 17)

Walt Disney's Donald Duck ["The Halloween Huckster"] one-shot (September 2008), art by Marco Rota

Duckburg: Hellmouth (Day 15)

Donald Duck Adventures #11 (April 1991), design by Bob Foster, pencils by Todd Kurosawa, inks by Scott Shaw!, colors by Gail Bailey

Duckburg: Hellmouth (Day 14)

Walt Disney's Comics and Stories #664 (January 2006), pencils and inks by William Van Horn, colors by Susan Daigle-Leach

Duckburg: Hellmouth (Day 13)

Uncle Scrooge #56 (March 1965), art by Carl Barks

Duckburg: Hellmouth (Day 12)

Walt Disney's Donald Duck in "The Case of the Missing Mummy" one-shot (October 2007), by Shelly and Patrick Block

Duckburg: Hellmouth (Day 10)

Donald Duck #140 (November 1971), pencils by Tony Strobl, inks by Larry Mayer.
This is an unusually early use of the Whitman imprint. Was this one of the Gold Key comics reprinted and sold in polybags of three under the Whitman logo?

Duckburg: Hellmouth (Day 9)

Walt Disney's Comics and Stories #217 (October 1958), cover art by Tony Strobl

Duckburg: Hellmouth (Day 8)

Walt Disney's Donald Duck Special ("Fit To Be Pied") (October 2006), cover art by Don Rosa

Duckburg: Hellmouth (Day 7)

Donald Duck [and Friends] #308 (October 2003), cover art by William Van Horn

Duckburg: Hellmouth (Day 6)

Walt Disney's Uncle Scrooge #370 (October 2007), cover art by Giorgio Cavazzano

Duckburg: Hellmouth (Day 5)

Walt Disney's Comics and Stories #158 (November 1953), cover art by Carl Barks

Duckburg: Hellmouth (Day 4)

Walt Disney's Donald Duck Featuring "Hobblin' Goblins" one-shot (2005)