Bigger Boo

Bigger Boo is the third boss of Super Mario World 2: Yoshi's Island. He was a regular Big Boo until Kamek used magic to increase his size. Bigger Boo is encountered in his fortress, aptly named Bigger Boo's Fort, in World 2.

Battle[]

The player must defeat him by throwing eggs at him. If Yoshi looks at him, he becomes transparent and invulnerable. Yoshi must throw eggs by bouncing off the walls, while facing away from Bigger Boo. With every hit, he becomes bigger until he explodes. It takes five hits to defeat Bigger Boo.

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Big Boo • Bigger Boo • Black Boo • Boolossus • Boos in Luigi's Mansion • Boos in Luigi's Mansion: Dark Moon • Bootler • Franky • Herbert • Igor • King Boo • King Boo (Super Mario Sunshine) • Lady Bow • Lahla • Peeka • Spooky Speedster • Stanley • The Creepy Steeple Boo
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Atomic Boo • Balloon Boo • Big Boo • Big Boo (Paper Mario) • Big Frame Boo • Big & Little Boo • Blindfold Boo • Bomb Boo • Boo • Boo Balloon • Boo Block • Boo Buddy Snake • Boo Buddy Swarm • Boo Guy • Boohemoth • Boo Man Bluff • Boo Stack • Calm Fishin' Boo • Circling Boo Buddies • Dark Boo • Dark Dark Boo • Disappearing Boo Buddy • Eerie • Fishin' Boo • Frame Boo • Ghoul Guy • Gold Boo • Green Boo • Li'l Boo • Mad Big Boo • Mad Boo • Mini Boo • Octoboo • Peepa • Polterguy • Red Boo • Shiny Boo • Sleepy Boo • Snufit • Stretch • Tail Boo • Terekuribō


Characters	Protagonists	Green Yoshi • Blue Yoshi • Brown Yoshi • Light Blue Yoshi • Pink Yoshi • Purple Yoshi • Red Yoshi • Yellow Yoshi
	Antagonists	Baby Bowser • Kamek
	Supporting	Baby Mario • Baby Luigi • Stork • Poochy • Melon Bug • Huffin' Puffin • Muddy Buddy • Support Ghost • Liquid lift
Enemies	Enemies	Aqua Lakitu • Bandit • Barney Bubble • Baron von Zeppelin • Beach Koopa • Big Boo • Big Shy Guy • Blow Hard • Boo • Boo Balloon • Boo Blah • Boo Guy • Boo Man Bluff • Bouncing Bullet Bill • Bowling Goonie • Bubble Dayzee • Bullet Bill • Bumpty • Burt • Cactus Jack • Caged Ghost • Chain Chomp • Incoming Chomp • Cheep Cheep • Chomp Shark • Clawdaddy • Cloud Drop • Co-Blargg • Coin Bandit • Crazee Dayzee • Dancing Spear Guy • Dangling Ghost • Dizzy Dandy • Dr. Freezegood • Eggo-Dil • Fang • Fat Guy • Fishin' Lakitu • Flightless Goonie • Flightless Skeleton Goonie • Flopsy Fish • Flutter • Fly Guy • Frog Pirate • Fuzzy • Gargantua Blargg • Georgette Jelly • Green Glove • Grinder • Goomba • Goonie • Grim Leecher • Grunt • Gusty • Harry Hedgehog • Hefty Goonie • Hootie the Blue Fish • Hot Lips • Jean de Fillet • Kaboomba • Kamek's Toadies • Koopa Troopa • Lakitu • Lantern Ghost • Lava Drop • Lemondrop • Little Mouser • Little Skull Mouser • Loch Nestor • Lunge Fish • Mace Guy • Milde • Mini-Raven • Mock Up • Mufti Guy • Naval Bud • Needlenose • Needlenose Plant • Nep-Enut • Nipper Plant • Nipper Spore • Paratroopa • Piscatory Pete • Podoboo • Pokey • Potted Spiked Fun Guy • Preying Mantas • Puchipuchi L • Raven • Rip Van Fish • Seedy Sally • Short Fuse • Shy Guy • Skeleton Goonie • Slime • Slugger • Sluggy • Snifit • Solo Toady • Spear Guy • Spike • Spiked Fun Guy • Spooky • Spray Fish • Stilt Guy • Stretch • Tap-Tap • Thunder Lakitu • Whirly Fly Guy • Wild Piranha • Wild Ptooie Piranha • Woozy Guy • Zeus Guy
Enemies	Bosses	Burt the Bashful • Salvo the Slime • Bigger Boo • Roger the Potted Ghost • Prince Froggy • Naval Piranha • Marching Milde • Hookbill the Koopa • Sluggy the Unshaven • Raphael the Raven • Tap-Tap the Red Nose • Baby Bowser
Items	General	Blue watermelon • Coin • Green Shell • Green watermelon • Key • Red coin • Red Shell • Red watermelon • Special Flower • Star • Super Star • Yoshi Egg (Flashing Egg · Giant Egg · Red Egg · Yellow Egg)
Items	Special Items	10-Point Star • 20-Point Star • Anytime Egg • Anywhere POW • Winged Cloud Maker • Magnifying Glass • Super Green Watermelon • Super Red Watermelon • Super Blue Watermelon
Objects	Objects	! Block • Arrow block • Arrow Cloud • Balloon (Mini Battle) • Balloon (platform) • Beanstalk • Breakable block • Bubble • Bucket • Chomp Rock • Coin Block • Countdown Platform • Cracked block • Current • Donut Lift • Dotted-Line Block • Egg Block • Egg Plant • Expansion Block • Falling stone block • Flatbed Ferry • Flipper • GOAL! Ring • Ice Block • Icicle • Makeshift surfboard • Message Block • Middle Ring • Morph Bubble • Moving Block • Paddle wheel • Post • Pot • POW Block • Red-and-yellow bridge • Red balloon • Rolling rock • Ski Lift • Snowball • Spinning Log • Spinning wheel • Spotted platform • Spring Ball • Squishy block • Switch • Teeter-totter • Track ball • Tulip • Tumbler • Warp Pipe • Winged Cloud • Yoshi Block
Objects	Obstacles	Ball 'n' Chain • Bill Blaster • Cannonball • Lava • Makiage Dosun • Spike • Spiked Ball • Spiked Weight • Spinning Fireballs • Thorn
Worlds	World 0	Welcome To Yoshi's Island (0-0)
	World 1	Make Eggs, Throw Eggs (1-1) • Watch Out Below! (1-2) • The Cave Of Chomp Rock (1-3) • Burt the Bashful's Fort (1-4) • Hop! Hop! Donut Lifts (1-5) • Shy Guys On Stilts (1-6) • Touch Fuzzy, Get Dizzy (1-7) • Salvo the Slime's Castle (1-8) • Poochy Ain't Stupid (1-★)
	World 2	Visit Koopa And Para-Koopa (World 2-1) • The Baseball Boys (2-2) • What's Gusty Taste Like? (2-3) • Bigger Boo's Fort (2-4) • Watch Out For Lakitu (2-5) • The Cave Of The Mystery Maze (2-6) • Lakitu's Wall (2-7) • The Potted Ghost's Castle (2-8) • Hit That Switch!! (2-★)
	World 3	Welcome to Monkey World! (3-1) • Jungle Rhythm (3-2) • Nep-Enut's Domain (3-3) • Prince Froggy's Fort (3-4) • Jammin' Through The Trees (3-5) • The Cave Of Harry Hedgehog (3-6) • Monkey's Favorite Lake (3-7) • Naval Piranha's Castle (3-8) • Hit That Switch!! (3-★)
	World 4	GO! GO! MARIO!! (4-1) • The Cave Of The Lakitus (4-2) • Don't Look Back! (4-3) • Marching Milde's Fort (4-4) • Chomp Rock Zone (4-5) • Lake Shore Paradise (4-6) • Ride Like The Wind (4-7) • Hookbill The Koopa's Castle (4-8) • The Impossible? Maze (4-★)
	World 5	BLIZZARD!!! (5-1) • Ride The Ski Lifts (5-2) • Danger - Icy Conditions Ahead (5-3) • Sluggy The Unshaven's Fort (5-4) • Goonie Rides! (5-5) • Welcome To Cloud World (5-6) • Shifting Platforms Ahead (5-7) • Raphael The Raven's Castle (5-8) • Kamek's Revenge (5-★)
	World 6	Scary Skeleton Goonies! (6-1) • The Cave Of The Bandits (6-2) • Beware The Spinning Logs (6-3) • Tap-Tap The Red Nose's Fort (6-4) • The Very Loooooong Cave (6-5) • The Deep Underground Maze (6-6) • KEEP MOVING!!!! (6-7) • King Bowser's Castle (6-8) • Ultimate Castle Challenge (6-★)
Forms	Morph Bubble	Car • Helicopter • Mole Tank • Submarine • Train
Minigames	Mini Battles	Gather Coins • Popping Balloons • Throwing Balloons • Watermelon Seed Spitting Contest
Minigames	Bonus Challenges	Flip Cards • Scratch and Match • Drawing Lots • Match Cards • Roulette • Slot Machine

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