Google is giving tips for the best Halloween 2015 costumes, and who else can offer valuable help than the Internet search titan itself.

Halloween can be exciting but could easily be spoiled if one is confused as to what costume to wear on All Hallow's Eve. Many are turning into Google Search and ask "What should I be for Halloween?"

For those as confused as the others, Google wants to help by revealing the search about Halloween 2015 costume trends across the United States. Top-related search based on GOP presidential aspirants is "Donald Trump wig." Looking for a purple or blue hair-dye on Saturday may not be a good idea since the kids want them too if they will act as Mal and Evie from Disney's "Descendants."

Google's unique Halloween 2015 costume suggestions include avoiding buns on the side of the head. "Star Wars" is most searched as well, with Princess Leia reigning. "Suicide Squad" superhero squad is still coming but "Harley Quinn" and "Batman" are already reigning the search box.

There are also the beautiful characters "Wonder Woman," and "Catwoman" or the creepy facepaint of Joker or even "Teenage Mutant Ninja Turtles." Even Wasp, Scarlet Witch and Vision are popular, with "dog costume" on Halloween, not for a human, but for the cute four-legged friends. Other famous pet costume searches include "shark," "dinosaur" or "lion."

When going with a partner, one can get some costume ideas by searching "Bonnie and Clyde," Jasmine and Alladin, Ken and Barbi, "Grease" stars Sandy and Danny or "Toy Story" pair Jessie and Woody.

Google, via its official blog, recommends its Trends Data Store, which can also be a Halloween hub.

Google said that for Halloween 2015 costumes, the typical clown or vampire will not do anymore. While superheroes dominate TVs and films, villains are cooler as per Google Trends Frightgeist.

Margot Robbie's character Harley Quinn, has been famous for decades since she appeared in 1992, on "Batman: The Animated Series." The Joker is among the top 10 costume searches, with his enemy, Batman, as well as Wonder Woman and the generic "superhero."

As per CNN's recap, the top national searches in Google Trends for Halloween 2015 costumes are Harley Quinn, Star Wars, superhero, Pirate, Batman, Minnie Mouse, Witch, Minions, Joker and Wonder Woman.