Dressing up in costumes and going "guising" was prevalent in Ireland and Scotland at Halloween by the late 19th century. Costuming became popular for Halloween parties in the US in the early 20th century, as often for adults as for children. The first mass-produced Halloween costumes appeared in stores in the 1930s when trick-or-treating was becoming popular in the United States.
There are plenty of holidays throughout the year in addition to Halloween when kids want to dress up. With Spirit’s boys seasonal costumes, they can dress up for those special days like Christmas or Easter, while the whole family oohs and aahs over how cute they look. For Christmas, he can dress as Jesus, one one of the wise men, or Santa. Be warned that if he chooses Santa, he’ll surely be expecting some cookies and milk!
Anna Maria Marconi: Girlfriend of Peter when he was possessed by Dr. Octopus. Anna Maria met Peter as a student at Empire State University. The two hit it off and started dating. They started living together, and the relationship got so serious that Anna Maria found an engagement ring hidden in their apartment. After Peter regained control of himself, Anna became his friend.
^ Not counting any other character in the mainstream Marvel Universe with that name. Only outside of the mainstream Spider-Man comics or in other media is there other Spider-Man villains (that isn't named Mac Gargan) that are antagonists of Spider-Man. Gargan is cited to be the fourth who is called that in the comic books but is the most iconic villain with that name.
 Researchers conducted a survey for the National Retail Federation in the United States and found that 53.3 percent of consumers planned to buy a costume for Halloween 2005, spending $38.11 on average (up $10 from the year before). They were also expected to spend $4.96 billion in 2006, up significantly from just $3.3 billion the previous year. The troubled economy has caused many Americans to cut back on Halloween spending. In 2009, the National Retail Federation anticipated that American households would decrease Halloween spending by as much as 15% to $56.31. In 2013, Americans spent an estimated $6.9 billion to celebrate Halloween, including a predicted $2.6 billion on costumes (with more spent on adult costumes than for children's costumes) and $330 million on pet costumes. In 2017 it was estimated that Americans would spend $9.1 billion on Halloween merchandise with $3.4 billion of that being on spend on Halloween costumes.