Cause he's 100 years old
Same reason Batman is so formidable
And the heroes that are the next most powerful?
Marvel. They more like 60 years old. But Hulk Spider Cap Iron Man all have had insane power creep too. But no one can come before the first superhero
The one all others are based on
From DBZ to The Boys to almost every comic universe
There's a direct Superman pastiche, and like 100 other characters that also have super man like qualities (secret identity, weird costume)
Same reason Batman is so formidable
And the heroes that are the next most powerful?
Marvel. They more like 60 years old. But Hulk Spider Cap Iron Man all have had insane power creep too. But no one can come before the first superhero
The one all others are based on
From DBZ to The Boys to almost every comic universe
There's a direct Superman pastiche, and like 100 other characters that also have super man like qualities (secret identity, weird costume)