Mario
The plumber himself.
Key pieces: Red cap with M, blue overalls, mustache
📈 Most-searched video game costume in 44 US states (CSGOGem); #9 Mental Floss.
Expedition 33's scholar mage.
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📈 Cubold Gaming recommends Clair Obscur: Expedition 33 characters as a less common 2026 pick (one of the most praised games of 2025). Source: Cubold Gaming – The Best Video Game Halloween Costumes for 2026.