Super Mario World/Walkthrough

Protagonists

 * Mario
 * Luigi
 * Peach
 * Yoshi

Enemies

 * Amazing Flyin' Hammer Bro.
 * Ball 'n' Chain
 * Banzai Bill
 * Beach Koopa
 * Big Boo
 * Big Bubble
 * Big Steely
 * Bill Blaster
 * Blargg
 * Blurp
 * Bob-omb
 * Bony Beetle
 * Boo
 * Boo Buddy
 * Boo Buddy Block
 * Boo Buddy Snake
 * Bullet Bill
 * Buzzy Beetle
 * Chainsaw
 * Chargin' Chuck
 * Cheep-Cheep
 * Circling Boo Buddies
 * Climbing Koopa
 * Dino Rhino
 * Dino-Torch
 * Disappearing Boo Buddies
 * Dry Bones
 * Eerie
 * Falling Spike
 * Fire Snake
 * Fishbone
 * Fishin' Boo
 * Fishin' Lakitu
 * Fuzzy
 * Gold Bowser Statue
 * Goomba
 * Gray Bowser Statue
 * Grinder
 * Hothead
 * Jumping Piranha Plant
 * Koopa Paratroopa
 * Koopa Troopa
 * Lakitu
 * Li'l Sparky
 * Magikoopa
 * Mecha-Koopa
 * Mega Mole
 * Mine
 * Monty Mole
 * Muncher
 * Ninji
 * Para-bomb
 * Paragoomba
 * Pillar
 * Pipe Lakitu
 * Piranha Plant
 * Podoboo
 * Pokey
 * Porcu-Puffer
 * Rex
 * Rip Van Fish
 * Skull Box
 * Spike Top
 * Spiny
 * Sumo Bro.
 * Super Koopa
 * Swooper
 * Thwimp
 * Thwomp
 * Torpedo Ted
 * Urchin
 * Volcano Lotus
 * Wiggler

Bosses

 * Iggy Koopa
 * Morton Koopa Jr.
 * Lemmy Koopa
 * Ludwig von Koopa
 * Roy Koopa
 * Wendy O. Koopa
 * Larry Koopa
 * Reznor
 * Big Blue Boo
 * Bowser

Levels
(*) = Level with secret exit