The International Justice League of Super Acquaintances (IJLSA for short) is a group of superhero sidekicks who originally fought alongside Mermaid Man. The League consists of The Quickster, Captain Magma, the Elastic Waistband, and Miss Appear. In the episode "Mermaid Man and Barnacle Boy V," , , , and put on the costumes of The Quickster, The Elastic Waistband, Captain Magma, and Miss Appear respectively in order to stop Every Villain Is Lemons (EVIL for short).