Remember back in 2009 when everyone thought it was cool to dress up like Twilight characters for Halloween? Yeah, we blocked it from our memories, too. We do, however, fondly remember the Halloween Harry Potter hype, the years of Star Wars and super heroes, and Charlie's Angels. Looking back at the most popular Halloween costumes since 1993 will make you nostalgic for the good old days — and may make you cringe a little bit as well. Check out the most popular costumes by year from the '90s until now.