Silver Surfer is once an alien scientist whose home planet was threatened by Galactus, a cosmic entity who consumes planets. After making a deal with Galactus, he became Galactus's herald in exchange for not eating his home planet. Silver Surfer was given a space surfboard allowing him to fly faster than light in space and the ability to manipulate cosmic energy, but he needs to stay with Galactus and travel alongside him forever.
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