“Five years old, freer than any adult — Kasukabe's most shameless and most honest kid.”
Completely indifferent to social norms — every desire and emotion comes out immediately. He seems oblivious, but occasionally sees through to the truth better than any adult. Shin-chan's "weirdness" is really just uncensored honesty. The comedy comes from how strange ordinary life looks through a five-year-old's unfiltered lens.