Extract the names of creators of The Needle from the text provided. Separate them with a comma.

Context: The Needle is a fictional character, a mutant supervillain appearing in American comic books published by Marvel Comics. Created by Mark Gruenwald, Carmine Infantino, and Al Gordon, the character first appeared in Spider-Woman #9. Creator Mark Gruenwald brought the character back during his run on the West Coast Avengers as a member of the villain team Night Shift, which included other former Spider-Woman foes.

Answer: Mark Gruenwald, Carmine Infantino, Al Gordon