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 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