The Creeper's Creepy Battle

Episode 96 of Robin & Batgirl.
Five years ago,Jack Ryder faced Hellgrammite's Minions in a chemical factory where Joker had his life-changing encounter with a vat of chemicals.He managed to defeat the thugs,but then,the thugs rose up.Then,Hellgrammite pushed him into the same vat of chemicals.The chemicals react strangely as Ryder survived,but is transformed into an extraordinarily strong and agile maniac with lemon-yellow skin, green hair, and a rictus grin.In present day,Robin and Batgirl were surprised to see Creeper.Creeper said,"Help me.I want revenge"."With who?",Batgirl asked."Five years ago,I faced Hellgrammite and his gang in a chemical factory.Then,Hellgrammite pushed me into a vat of chemicals.I survived,but I was transformed into this hideous form",Creeper responded."Where's his hideout?",Robin asked."At that chemical factory,near Slaughter Swamp",Creeper said.Now,Robin and Batgirl gets Creeper to ride the R-Mobile.Later,they reached Slaughter Swamp's Chemical Factory.They went inside it.Then,they saw Harley Quinn and Joker.Then,confettis fell down the ground.Harley Quinn started striking Batgirl with her large wooden hammer,which Batgirl evades.Joker pointed his harpoon gun at Robin.Batgirl looked at Joker and Robin,then,she got striken away by Harley Quinn's hammer,knocking her down unconscious.Then,Joker punched Robin in the face,putting him down.Now,Robin and Batgirl were sent by the two to Hellgrammite.Then,Creeper jumped out of nowhere.He took down Kabuki Women,Joker's Henchmen,and Hellgrammite's Minions.Then,Robin and Batgirl regained consciousness.The Kabuki Women,Joker's Henchmen,and Hellgrammite's Minions rose up and surrounded them.They took all of them down again.But,they found out that Harley Quinn,Joker,and Hellgrammite got away.Then,Robin,Batgirl,and The Creeper chased them.The policemen,Robin,Batgirl,and The Creeper surrounded them,but,Joker shot the policemen with his harpoon gun,Harley Quinn striked them with her giant hammer,while Hellgrammite took them down in hand-to-hand combat.Then,the three villains ran away.The three heroes chased them again.Then later,Robin took down Joker and Batgirl took down Harley Quinn.Then,the three heroes took down Hellgrammite.The policemen came and arrested the three villains.After that,The Creeper said,"This calls for a relaxation".
Characters:Robin,Batgirl,The Creeper,Policemen
Villains:Hellgrammite,Joker,Harley Quinn,Hellgrammite's Minions,Joker's Henchmen,Kabuki Women