Here's something you might not have noticed watching Super Mario Odyssey's new trailer: Many of those outfits Mario is wearing are based on his appearance in old/obscure Nintendo games.
Image: Retro Cabeza
— Retro Cabeza (@RetroCabeza) June 13, 2017
Cute touch! If you're wondering where they're all from, clockwise from top-left they're Picross 2 (1996), Mario x Qix (1990, Game Boy), Yoshi's Cookie (1993) and NES Open Tournament Golf (1987).