I had no events to go to, nor are there ever any kids around, so I didn't dress up. Haven't for 24 years. But...I do have several soccer jerseys. I could just go as a supporter next year (if I find a party to go to for H'ween). Facepaint, a bandana and whatever else to go with my jersey.
"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan