1951
In the Nimbus Land palace in Super Mario RPG, strategically placing Mario to block this Nimbus person's path to make him only walk towards the door will result in him clipping into the door, then the wall, and finally walking out into the darkness beyond the room.
1952
The quiz for returning the stolen Sistine Chapel ceiling in the SNES version of Mario is Missing offers the answer option "Splinter" among names of Italian artists, in a reference to the Teenage Mutant Ninja Turtles.
1954
The Rainbow Road track in Mario Kart: Super Circuit features Bowser's Castle in its Paper Mario design in the background (left). However, a wallpaper from Nintendo of America's official website for the game contains a different, more menacing-looking design (right).
1955
The cork blocking Gooper Blooper's mouth in Super Mario Sunshine has writing on it, which can not be read in full in-game due to the cork being destroyed upon extraction. The writing appears to say "bsgeso", which may be short for Bosu Gessō, the boss's Japanese name.
1956
Mario and Wario's answers to the question "what will more Nintendo 64 games be using in 1999?" from Nintendo Power.
1957
Mario Party 7 is the only game in the Mario Party series where a "Confirm" prompt appears after the board victory message, seemingly suggesting that the victory is still pending approval even though the character is already celebrating it.
1958
The manual for WarioWare: Smooth Moves includes an illustration to discourage operating the Wii Remote using tentacles.
1959
Catalog image of a set of licensed 1989 Super Mario Bros. figurines.
1960
Officially licensed Mario alarm clock. Unlike most clocks that use cartoon characters' arms as clock hands, this one does not display Mario's full body, instead choosing to make his arms emerge from his head.
1961
To enter Big Boo's Haunt in Super Mario 64, Mario appears to shrink during a jump and land inside a small cage. However, zooming in reveals that while he does enter the cage, he then falls through it into the ground (note Mario's legs sticking out of the ground on the right).
1962
In Mario Party Advance, Bowser describes himself as a gamer with an IQ of 9,800.
1963
Illustration from the cover of a 1987 "Super Mario Bros. Detective Adventure" manga, featuring Red Luigi.
1964
Illustration of Mario with a short beard in addition to his mustache for a feature on beards in video games from the Russian GameLand magazine.
1965
The low-polygon model of Shy Guy from Mario Kart 7 includes a unique raised rim around the mouth-hole of his mask, resembling lips. This rim is absent in all other depictions of Shy Guys, including even the high-polygon model from the same game.
1966
Actor in a Bowser costume with the recording crew at the set used for the North American commercials for Mario Superstar Baseball.
1967
Illustration of Mario and Pauline from a 1982 licensed book of Donkey Kong-themed word puzzles. As in many other pieces of official art from that period, Mario is shown to be balding.
1968
The final level of Mini-Game Island in Mario Party has the player compete against Toad in the Slot Car Derby game. If Toad wins this game, the screen fades out without a message. However, hacking the game to remove that effect reveals that Toad's victory message is "ALL WINS!"
1969
Thanks to the efforts of Twitter user @reborn_cookies, the Yoshi statue from the previous Tweet has been identified as part of a GameCube exhibit at Nintendo of America in the early 2000s.
1970
This photo of Jim Merrick, former senior marketing director at Nintendo of Europe, seems to be focused not on Mr. Merrick, but on a unique Yoshi statue behind him. If you have any information regarding the current whereabouts of the statue or additional photos of it, contact me.
1971
Waluigi's sprites and models almost never depict him with abnormal proportions, as his lanky stature is an integral part of his character. However, on two occasions, Waluigi has been deformed to fit into a square: Mario Tennis on the GBC (left) and Mario Party-e (right).
1972
An important announcement: Supper Mario Broth is now on Patreon. patreon.com/suppermariobro… If you are interested in supporting the continued operation of the blog, please watch the brief video on the page for an overview of the situation and your benefits. Thank you very much.
1973
Artwork of Luigi from a March 1983 print advertisement for the Game & Watch version of Mario Bros. This artwork is Luigi's earliest depiction in advertising, since the Game & Watch predates the Mario Bros. arcade by 4 months and is in fact the first game to feature Luigi.
1974
Despite appearing to be merely a rotated version of his normal running animation, Mario's animation for running up walls in Super Mario World actually uses unique, deformed sprites.
1975
Shigeru Miyamoto with his personal collection of Mario items in 1995.
Additional obscure Mario content for suppermariobroth.com.
Now on Patreon: patreon.com/suppermariobro…