There is no doubt that the classic zombie films have a massive influence on the appearance of walkers in 'The Walking Dead.' After all, the show's executive producer Greg Nicotero also happens to be the walker make-up guru and has made sure there would be tribute zombies in almost every season.

It certainly looks like there will be more tribute zombies in the sixth season, as Greg Nicotero confirmed with Comicbook.com.

"There is a couple in the back half," Nicotero admitted, adding that there was a tribute zombie that got removed in a future episode.

"You know what's ironic, I had an awesome walker cameo that we put in a scene in episode six but in the editing process the scene was removed so the tribute walker got cut out," he said.

Greg Nicotero also confirmed that he missed out on putting a tribute zombie in the season premiere.

"I'm still gonna do it at some point but I feel like after the fact, I missed a great opportunity. Because of the black and white in 6x01, I would've had a perfect opportunity to do a 'Night of the Living Dead' homage and actually shoot a zombie in black and white and make it look like a scene from 'Night of the Living Dead,'" Nicotero shared. "I kind of missed the boat a little bit there because I hadn't anticipated that opportunity was gonna be there but there's some great tribute walkers coming up for sure."

So which zombie flicks will the second half of 'The Walking Dead' Season Six be paying tribute to?

"There could be a little Tarman 'Return of the Living Dead,' there could be another 'Dawn of the Dead'... I put them in because I love doing them for us," Nicotero admitted. "You do thousands of make-ups and to have an opportunity to recreate a make-up or a character that you just loved, that inspired you, it's sort of my nerd-version of paying back."

Keep an eye out for the tribute zombies in the sixth season of 'The Walking Dead,' which airs on AMC every Sunday nights.