Stardust

Stardust is one of Galactus' heralds and manifests its Cosmic Power via control of Water.

Physical appearance
Stardust oversaw the construction of a device in the mountains that would help Galactus consume the Earth. She ended up fighting a team of superheroes consisting of Human Torch, Wasp, Wolverine, Thing and Hawkeye. She was destroyed by the combined attacks of Human Torch, who weakened her with a high blast of fire, and Wasp, who crossed through her body and finished her off and her tower was destroyed by Hawkeye with three explosive arrows.

Powers and Abilities
Stardust has total power over the water, capable of creating tsunamis of gigantic sizes.

Weakness
Stardust is vulnerable to extreme heat as it extinguishes her powers.