Mario's original name was Jumpman, but his name was soon changed to Mario.
When Luigi first appeared he was a palette swap for Mario, but soon had his own sprite.
Princess Peach was called Toadstool until Yoshi's Safari, but the name Peach didn't catch on until Super Mario 64.
Bowser seems to be the main antagonist, but he helps out in some games such as Super Paper Mario.
Yoshi was first green, three more colors were added to the game which Yoshi first appeared in. in more recent games such as Mario Super Sluggers there are Yoshis colored green, yellow, blue, light blue, pink, and red.
Toads appear in different colors like Yoshis, Nokis, Piantas, and Majikoopas.
Princess Daisy seems to be exactly like Peach, but with opposite, yet equal features.
When Bowser was young Kamek was his babysitter. That proves that Majikoopas are one of the longest living Mario species.
Bowser Jr. much resembles Baby Bowser, except that Bowser Jr. has a mouth on his bib.
Donkey Kong varies from villain, to hero, to villain again. Sometimes I don't know what side he's on.
Honestly I don't know what to say about Diddy Kong.
I can say something about the Koopalings. They have changing names just like Peach. From Hip and Hop to Lemmy and Iggy. it's Not that hard to keep up with because they changed in Super Mario World
Are Goombas good or bad?
Same with Koopas. Good or bad?
Donkey Kong Jr.
Donkey Kong Jr. was in Super Mario Kart, yet Donkey Kong was not.
Toadette is the only Toad that is definitely female. Even the purple Toads could be male.
Toads worth is the only know brown Toad.
Rosalina is just weird, confusing, and weird, and confusing. Did I mention she was weird? And.....
Nokis are playable characters in some games and in some games they just walk around.
Piantas are just like Nokis. They play or they walk around.
Monty Moles greatly resemble Rocky Wrenches form Super Mario Bros 3.
Boos are ghosts which dwell in mansions, castles, and buildings known as Ghost Houses or Boo Houses.
In Mario Super Sluggers King Boo is found in Wario City with most of the Koopa Troop.
The piranha plants started as being green, but are more common red.
In Mario Sports Mix basketball, at Daisy garden Petey is the basket
Shy Guys resemble Waddle Dees from the Kirby series.
The super mushroom was given eyes in Super Mario Bros 3.
The fire flower shoots a fireball.
The ice flower shoots an iceball
The star man makes you invincible for a few seconds
In some games the hammer is a limited, constantly slamming power-up and in some games it is thrown when you attack with a hammer suit.
In Super Mario Galaxy, 1-up mushrooms are sold with life shrooms by occasional Lumas.
Mini mushrooms grant the player the ability to walk on water along with shrinking.