The two cartoon superheroes mentioned in the crossword solutions are Thor and He-Man. Thor is a Marvel Comics character who first appeared in 1962 and is based on the Norse god of thunder. He is known for his superhuman strength, speed, and endurance, as well as his ability to control lightning. He-Man is a character from the Masters of the Universe franchise, which began in 1982. He is known for his superhuman strength and his ability to wield a magical sword. He is also the leader of the heroic warriors of Eternia.