Hookbill the Koopa

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Hookbill the Koopa
Hookbill the Koopa's artwork from Yoshi's Island: Super Mario Advance 3
Official artwork of Hookbill the Koopa
Species Koopa Troopa (before)
Big Koopa Troopa (after)
First appearance Super Mario World 2: Yoshi's Island (1995)
Latest appearance Yoshi's Island DS (2006, cameo)
“How c-c-can this b-b-b-be? How is everyone f-free? Well too b-bad, I'm j-just g-gonna have to stomp you.”
Hookbill the Koopa, Tetris Attack

Hookbill the Koopa is an enlarged Koopa Troopa in the game Super Mario World 2: Yoshi's Island and its remake. He is the boss of World 4 and resides atop the castle of that world.

A similar boss called Knot-Wing the Koopa appears in Yoshi's Woolly World and Poochy and Yoshi's Woolly World, as a recurring middle boss in even-numbered worlds. Knot-Wing is essentially a Koopa Paratroopa enlarged in the same fashion as Hookbill.


Yoshi's Island series[edit]

Super Mario World 2: Yoshi's Island[edit]

Hookbill the Koopa, in Super Mario World 2: Yoshi's Island.

When Blue Yoshi and Baby Mario reach the bridge on which Hookbill is fought, a fog envelops the area, dissipating on the other side. Blue Yoshi and Baby Mario then encounter a normal Koopa Troopa and Kamek, who casts his magic on the Koopa. The Koopa Troopa retreats into his shell, which grows.

After the transformation is complete, Hookbill re-emerges from his shell. Walking on all fours, he creeps towards Blue Yoshi to attack him and Baby Mario. After walking on all fours for some time, he stands up and runs in Blue Yoshi's direction and lunges at him. Blue Yoshi then must dodge the attack in order to avoid getting hurt. To defeat Hookbill, Blue Yoshi must first throw eggs at his head or arms. Jumping on Hookbill's shell or head will cause Hookbill to cough up eggs for Blue Yoshi to use in case his supply gets depleted. After four hits while on all fours or after three hits while on two legs, Hookbill will fall backwards and will be briefly vulnerable to attack. Blue Yoshi must jump on and then ground pound Hookbill's exposed belly, delivering damage to him. After this (or after a certain amount of time passes), Hookbill will recover, retreat into his shell, and begin pounding the ground. He will then re-emerge, and the process will have to be repeated. Once his belly has been ground pounded three times, Hookbill is defeated. His shell explodes and disappears, and Hookbill (with no shell and reverted to normal size) falls from the top of the castle.

Yoshi's Island DS[edit]

During the introduction to Yoshi's Island DS, Hookbill the Koopa makes an appearance alongside the other castle bosses in the game as the events of Super Mario World 2: Yoshi's Island are recapped.

Tetris Attack[edit]

Hookbill The Koopa reappears in Tetris Attack as one of Bowser's allies in the game and speaks with a stutter. Here, he takes Phoenix's place of the original Panel de Pon at Stage 9, and unlike other characters, Hookbill does not have a personal ally of his own.


Super Mario World 2: Yoshi's Island[edit]

  • Shogakukan guide: コウラのボディアタックはキョーレツ。でもカメだから、あおむけにひっくり返せばこっちのもの。背中をふむと、ゼイゼイしながらタマゴを吐く。ちょっとキモチワルイ。[1] (The shell body attack is extremely dangerous. But since he is a turtle, he can be turned over on his back. When you step on his back, he spits out eggs while whimpering. It's a little creepy.)
  • Player's Guide: Mists swirl around the castle high up in the mountains at the end of World 4. Yoshi finally makes it to the parapet, the mists clear, and Eeek! It's a giant Koopa Troopa! Fortunately, Yoshi keeps his wits about him and remembers that Koopa Troopas are most vulnerable when on their backs. Watch out, though. Hookbill has the unique ability to pull in his head and shell the opposition.[2]
  • Super Power Club Cards bio:[3]
    • Description: High in the clouds above his castle, this turtle seeks a dinner of Yoshi on the half-shell.
    • Favorite Fashion Tip: "Tortoise-shell frames are you, baby!"
    • How to Beat Him: Jump on Hookbill's head to make him cough up his eggs. When he stands on his hind legs, shoot him in the head, then power-dive on him when he falls on his back.

Tetris Attack[edit]

In-game Character profile
Sprite of Hookbill The Koopa's icon from the SNES version of Tetris Attack.

I'm a K-Koopa, Hookbill Koopa.

It's m-my j-job to b-b-beat Yoshi! And, I'm a g-g-gonna m-make m-m-mincemeat out of that c-c-cocky little wimp.

Japanese language selected

ビ ビッグノコノコ なんだな

ヨヨ ヨッシー みたいに なまいまな チ チビスケなんか
し してやるんだな

Yoshi's Island: Super Mario Advance 3[edit]

  • Shogakukan guide: ワールド4-8のボス。頭に3〜4回タマゴをぶつけ、ひっくり返ったスキにヒップドロップ。これを3回くり返そう。背中に乗れば口からタマゴをはくぞ。[4] (The boss of World 4-8. Hit the head with an egg 3-4 times, and Hip Drop him when he flips over. Repeat three times. If you jump on his back, he will spit eggs out of his mouth.)


Names in other languages[edit]

Language Name Meaning
Japanese ビッグノコノコ
Biggu Nokonoko
Big Koopa Troopa
Chinese 大喏库喏库
Dà Nuòkùnuòkù
Big Koopa Troopa
French Koopa Géant Giant Koopa
German Super Koopa Super Koopa
Italian Super Koopa Super Koopa
Spanish Gran Koopa Big Koopa


  • The design of the turtle boss had several revisions during the development of Super Mario World 2: Yoshi's Island, earlier depicted as a shelled creature somewhat resembling Birdo.[5]
  • Hookbill the Koopa is the only boss in Super Mario World 2: Yoshi's Island other than Baby Bowser whose explosion effects are a different coloration from the magic spells cast upon by Kamek (shared by a Yellow Yoshi post-boss battle in Prince Froggy's Fort).


  1. ^ 「スーパーマリオヨッシーアイランド任天堂公式ガイドブック」 (Super Mario: Yossy Island Nintendo Kōshiki Guidebook), page 9Media:Super Mario Yossy Island Shogakukan P9.jpg.
  2. ^ Miller, Kent, and Terry Munson. Super Mario World 2: Yoshi's Island Player's Guide. Page 18.
  3. ^ Super Power Club Cards Yoshi's IslandMedia:Super Power Club Cards Yoshi's Island Back.jpg
  4. ^ 「スーパーマリオアドバンス3任天堂公式ガイドブック」 (Super Mario Advance 3 Nintendo Kōshiki Guidebook), page 20Media:Advance 3 Shogakukan P20.png.
  5. ^ Development:Super Mario World 2: Yoshi's Island/Sprites#Hookbill. The Cutting Room Floor. Retrieved October 30, 2021.