Deleted (Did not originate as Comics)
Alien vs. Predator (originated in film)
Addams Family, The (originated as single panel magazine cartoons)
Battle Royale (originated as a novel)
Blue Beetle, The (originated as a radio program in 1940)
Buck Rogers (originated in pulp fiction)
Casper the Friendly Ghost (originated as a children's book)
Conan the Barbarian (originated in pulp fiction)
Darkman (originated as a film)
Doc Savage (originated in pulp fiction)
Felix the Cat (originated as animated film)
Greatest American Hero, The
Green Hornet, The (originated as a radio show)
King Kull (originated in pulp fiction)
Little Lulu (originated as single panel magazine cartoons)
Lone Ranger, The (originated as a radio program)
Lorna, the Jungle Girl (Don Rico, 1953; The 1941 serial is based upon a book by Edgar Rice Burroughs, not the comic which came twelve years later)
Nyoka, the Jungle Girl (originated as a short story by Edgar Rice Burroughs in 1929, long before the comic which came along in 1942)
Red Sonja (originated in pulp fiction)
Ring, The (originated as a novel by Koji Suzuki)
Sengoku Jieitai 1549 (originated in film, 1979)
Shadow, The (Originated in fiction, adapted to radio, then adapted to comics)
Star Ociean: Second Story (Mayumi Azuma 1999; "Star Ocean EX" Hiroshi Watanabe 2001 - this manga originated as a videogame)
Them, The (Paul Allan, 1998; Based on a series of short films called "The Them" directed by Paul Allan and Martin Peace, 1986-1988)
Zorro (originated as a film from 1920?)