Super Mario Factsさんのイラストまとめ

Mack is a red-colored, roundish figure who holds onto a pair of handles on top of a giant knife with floating eyes (or may be the knife itself)

A Brown Yoshi standing on a Post in the first image. The second image shows that the Yoshi presumably ground pounded the Post almost to the ground.

Flame's laugh uses a high-pitched version of the laugh used for Baron Samedi in Rare's GoldenEye 007.

After some research into why it was historically important, Mario put the apple back into the tree so it could later fall for Newton.

“You'll go no farther, and from this moment on... You'll be nothing but bones!”
—Red Bones

As the name suggests, Croctopus Chase features a Croctopus chasing Donkey Kong and Diddy Kong in a section of the level.

In the original Japanese, Dribble & Spitz speak in Kansai dialect, which is stereotypically associated with fun-loving, boisterous characters.
In addition, both of their names come from synonyms for saliva.

Croco is a purple anthropomorphic crocodile bandit from Super Mario RPG: Legend of the Seven Stars. He is a recurring villain in the game who is always stealing things from other people.

Digga-Leg was originally going to be called "Digg-Leg", but this was changed in the final version of the game.

Blue Jellopuses just swim around in a carefree manner and pose no threat. Yellow Jellopuses swim in a wavy pattern and can be sort of a nuisance. Purple Jellopuses, on the other hand, discharge electricity.