Doomsday is a comic book character created by DC Comics and is known to be one of the publisher's most powerful and feared villains. He is a cosmic monster who has come to Earth with the goal of destroying everything in his path and becoming the supreme being in the universe. Doomsday has a number of supernatural powers, including superhuman strength, immortality and the ability to regenerate any part of his body. He is also virtually indestructible, making him a formidable foe for any hero who confronts him.
Eternity is a comic book character created by Marvel Comics and is known to be the cosmic being who represents the entire universe. He is virtually omnipotent and omniscient and is considered by many to be the God of this universe. Eternity was first introduced in the comic "Eternity: The Beginning", where it was revealed that he had been present in the Marvel Universe from the beginning and had been quietly influencing events. Eternity is known for his ethereal appearance and great power, and has left his mark on the Marvel Universe as an important and fascinating character. If you're a comic book fan with an interest in cosmic and omnipotent characters, you should definitely check out the stories featuring Eternity and see how he influences the Marvel Universe.