|Gender:||Male (Alter Ego of SpongeBob)|
|Powers:||The uncanny ability to be really "quick!"|
|Weakness:||Captain Magma's fire|
|Friends:||The Other IJLSA|
The Quickster is a superhero who is only seen in the episode Mermaid Man and Barnacle Boy V. He is part of The International Justice League of Super Acquaintances. He is briefly SpongeBob. He (known from his name) has the ability to run extremely fast, such as running to a mountain so fast you can't see him do it. His costume is white with a red lightning bolt on it.
- Speed; can run extremely fast without being seen.
- Red Jellyfishes (Only in Nick Arcade Game Atlantis Squarepantis: Square Off).
- Molten lava from Captain Magma
- Anything hot
- He was originally named "The Whizzer".
- The Quickster is a parody of the superhero, Flash.
- The Quickster is the only superhero out of four not to be based on a Fantastic Four character. He replaces what would be a parody of the Thing.
- He looks a lot like Captain America.