"Listen, You Fool!" was originally printed as the third story from Mystery Tales #14 from August, 1953.
This is the first appearance of Dakimh. He is also known as Dakimh the Enchanter. He is an ancient wizard from pre-cataclysmic Atlantis.
This is the first, and to date, only appearance of Howard. He is an adolescent boy who pistol-whips a younger boy named Grant.
This is the first, and to date, only appearance of Grant, who is Howard's friend from a St. Louis suburb.
This is the first, and to date, only appearance of Hubert Meese. He is a businessman who works out of a Cincinnati office.
This is the first, and to date, only appearance of Miss Kelman. She is the secretary to Hubert Meese. Afflicted by the demon plague, she high-kicks Hubert in the jaw.
This is the first, and to date, only appearance of Debby, who is nearly run down by an enraged motorist who is afflicted with the Demon Plague.
The fictional South American country of Delvadia made its first appearance in Daredevil #75 in April, 1971.
This is the first appearance of Mongu the Gladiator, who is a warrior from Sandt.