A Google site that tracks Halloween trends nationwide is listing the most popular costumes in San Antonio. The site, called Frightgeist, says San Antonians prefer a wide cross-section of costumes from all areas of pop culture, TV, and movies. The top five trending Halloween costumes in San Antonio this year are the Marvel anti-superhero Deadpool, the Frankenstein monster, an inflatable chicken, the Mad Hatter from "Alice in Wonderland," and Jessica Rabbit, from the 1988 movie "Who Framed Roger Rabbit." Trick or treat!