Superman is a comic character. He was probably the first powerful superhero in the fictional world.
Thor Odinson is a fictional superhero appearing in the American comic books published by Marvel Comics.
Hulk is powerful enough to completely destroy planets with his footsteps, can destroy structures built to withstand the power of gods.
Son Goku (Kakarrot) is the main protagonist in Dragon Ball franchise created by Akira Toriyama in 1984.
The Silver Surfer is a fictional superhero appearing in American comic books published by Marvel Comics.
Dr. Manhattan is a fictional character who appears in comics published by DC Comics. He debuted in the graphic novel limited series Watchmen.
The green lantern is one of the strongest characters in the universe. The guy has the most powerful weapon in the universe.
She can destroy all the planets and galaxies, she can control your mind and reality. Not to mention super powerful telekinesis.
Sentry is the strongest superhero by far. His powers derive from The One Above All himself, most powerful entity in marvel.
Captain marvel has the combined powers of five gods added to the wisdom of Solomon. He is number one.