Luigi Was Going to Be in Nintendo Classic 'Super Mario 64,' Leak Shows

Super Mario 64 (partially found Spaceworld '95 demo of Nintendo 64 3D platformer; 1995) - The Lost Media Wiki

Nintendo's Luigi has been discovered in an unreleased retro racing game for the Sega Dreamcast - News

7 Crazy Super Mario Rumors That Actually Turned Out To Be True

super mario 64 beta luigi

Column 'The Super Mario Bros. Movie' breaks box office records, entertains audience - The Daily Illini

Fans think this rare Japanese TV video may be the only known footage of Luigi in Super Mario 64

Why was Luigi not included in Super Mario 64 for the Nintendo 64 console when that game was released for the N64? - Quora

The Super Mario Bros. Wonder credits have been partly leaked - Video Games on Sports Illustrated

Super Mario 64 Source Code Leak May Confirm Luigi Was Planned to Be Playable - IGN

Rumor: Leaks Reportedly Suggest Mario And Luigi's Brooklyn Origin Is Canon In 'The Super Mario Bros. Movie' - Bounding Into Comics

Old Footage Shows Luigi in Super Mario 64

which mario 64 luigi do you like? (i like the leaked one) : r/Mario

Super Luigi 64 - History and download - N64 Squid