You can simply find a cool hat, leather jacket, matching pants, and a Hawaiian t-shirt you might actually pull it off. You don’t have to dress up as a chipmunk even though it might be another cool idea.
Chip and Dale source: and Dale the two chipmunks from Chip ‘n Dale: Rescue Rangers a Disney Movie. It’s one of the easiest Halloween costumes that you can pull off and even a cool DIY costume that you can make if you have the time.
Mario and Luigi source: Mario Brothers Mario and Luigi is a famous Halloween costume among couples, especially among the 90-2000s gaming fans.