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

### Input:
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 (December 1978). 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.

### Response:
Mark Gruenwald, Carmine Infantino, Al Gordon