Intrigued to know about Grunge friends & enemies? Check out the list of Grunge enemies and rival teams that continue to trouble this Superhero over the years. Along with the Grunge enemies, he also has friends and group affiliations that help him fight against enemies and stand by his side in both good and bad times. From Grunge Biography, along with list of Grunge enemies, we also bring you the list of Grunge friends and group affiliations. Check out all the elemental and medical weaknesses of Grunge.