The Hate-Monger is the name of several different fictional characters appearing in American comic books published by Marvel Comics.
Cover to Fantastic Four #21 (December 1963). Art by Jack Kirby.
The Red Skull is a supervillain appearing in American comic books published by Marvel Comics and its predecessor Timely Comics. In Captain America Comics #1, the Red Skull's secret identity was revealed to be George Maxon; It would be retroactively established that he was merely a decoy who was working for the real Red Skull. Albert Malik would later adopt the Red Skull mantle, only to be killed in a plot orchestrated by the original.
The Red Skull in Alexander Lukin's mind. Art by Steve Epting
The Red Skull as he appears in Spider-Man: The Animated Series
The Red Skull as he appears in The Avengers: Earth's Mightiest Heroes.
Hugo Weaving as the Red Skull as he appears in Captain America: The First Avenger