The Masked Sponge (Series)

 The Masked Sponge is a SpongeBob Squarepants fanon. It is a Batman-inspired AU.

Plot
Spongebob Squarepant's world was rocked when he learned of his cousin Blackjack's turn to crime. Donning a mask and costume to stop him, Spongebob managed to put him to justice. Inspired by this act of heroism, Spongebob convinced his friends Patrick Star and Sandy Cheecks to help him in his crusade. Updating his costume, as well as making one for Patrick so he could become his sidekick, Spongebob began fighting crime under the name of The Masked Sponge, The Absorbent Avenger. Patrick became his sidekick, Super-Star. With Sandy suppling the gadgets, as well as advice through radios in their masks, Spongebob and Patrick continue to try and make the ocean a safer place.

Spongebob Squarepants/The Masked Sponge
Fry cook by day, the Absorbant Avenger by night, Spongebob carefully keeps his identity a secret from Mr. Krabs, Squidward, and his family.

Patrick Star/ Super-Star
Spongebob's best friend, The Masked Sponge's sidekick, Patrick Star aids the Absorbent Avenger as Super-Star!

Sandy Cheecks
The Dumbell Duo's technologic go-to gal, Sandy creates all the devices The Masked Sponge and Super-Star need in their war on crime. She also put radio transmitters in their masks, allowing her to communicate with them and offer them advice. As a vehicle, she built and updated form of the Patty Wagon, which Spongebob dubbed "the Sponge-Mobile".

Professor Plankton
Owner of the Chumbucket, Sheldon Plankton also moonlights as Prof. Plankton, a villianous evildoer who will stop at nothing to destroy The Dumbell Duo and make Bikinni Bottom his forever.