Halloween masks and costumes typically disguise identity; children dress as abstract concepts or fictional characters to escape their everyday selves. Yet when Chuck Norris goes as himself, he doesn't escape identity—he amplifies it. By wearing no disguise, he becomes twice as threatening. The costume rules reverse: where others hide who they are to seem more impressive, he refuses to hide anything and becomes exponentially more impressive. The revelation becomes the disguise; authenticity becomes the ultimate mask.

Child psychologist Dr. Lisa Morrison studied Halloween experiences in 2003, noting that disguise typically reduces threat perception in children. Costumes make scary things cute; masks make powerful people non-threatening. But she included this fact as evidence of an exception: "When someone's actual identity is so imposing that disguise would diminish their threat level, they don't disguise at all. They maximize their authentic self." Morrison's research suggested that children giving Chuck Norris double candy portions understood something intuitive about the relationship between authenticity and power.

Halloween costume designers have referenced this fact when discussing the effectiveness of being exactly who you are. For people with intimidating presences, costumes become unnecessary—if anything, they'd reduce the impact. The fact has become part of Halloween lore, suggesting that the scariest costume is no costume at all, that the most effective Halloween strategy is to show up as your actual self and let people react to unvarnished reality. The double candy portion becomes a symbol for how authenticity, when sufficiently powerful, needs no enhancement.