Sluggy the Unshaven

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Sluggy the Unshaven
Sluggy the Unshaven's artwork for Yoshi's Island: Super Mario Advance 3
Species Sluggy
First appearance Super Mario World 2: Yoshi's Island (1995)
Latest appearance Yoshi's Island: Super Mario Advance 3 (2002)
“Aaaaah, Yoshi! To get this far you must be powerful, but remember: This slug has no weak points!!”
Kamek, Super Mario World 2: Yoshi's Island

Sluggy the Unshaven is a massive Sluggy found in Super Mario World 2: Yoshi's Island. He is a mid-boss encountered in the fort of World 5. He is a see-through slug with a face, hair in various places and a visible, and hairy, heart. To defeat him, the Yellow Yoshi has to throw eggs at his heart, pushing through his gelatinous skin. He was originally a tiny, nontransparent Sluggy until Kamek used his magic on him.

Sluggy the Unshaven

In Sluggy's open-air room is an Egg Plant. However, he is at the very edge of the room. Once Yoshi has collected enough eggs, the player must lob eggs at the slug's skin. Every time an egg hits the skin, he is pushed inward and the egg bounces off. Yoshi can then pick up the egg and lob it again. Once the skin is pushed back enough, Yoshi can shoot Sluggy's heart (which is the slug's weak point). After four hits, the heart shrinks until reduced to nothing, and Sluggy the Unshaven slides off the stage.

Sluggy is incapable of knocking Baby Mario off Yoshi's back, making this the only boss fight where stars cannot be lost. However, he continuously slides forward toward the edge of the room, making it necessary to defeat him before he pushes Yoshi off the stage into the pit.

Much like Prince Froggy and Naval Piranha, it is possible to see the boss before Kamek magically alters him. However, the player cannot destroy Sluggy before Kamek appears, like they can with Naval Piranha.

Names in other languages[edit]

Language Name Meaning
Japanese ビッグけめくじ
Biggu Kemekuji
Big Sluggy
Chinese 大毛粘虫
Dà Máoniánchóng
Big Sluggy
French Cardio Limace Cardio Slug
German Möbius From "Amöbe" (amoeba)
Italian Sguscio Peluria Fuzz Slippy
Spanish Gusarapo el Pelón Waterbug the Bald


  • Hacking methods show that if enemies are shot into Sluggy the Unshaven, they become glitched sprites.
  • A preview for Super Mario World 2: Yoshi's Island refers to Sluggy the Unshaven as "Giant Watabo",[1] although the previous page refers to Fuzzies as Watabos.[2] Incidentally, an early version of Sluggies resemble Fuzzies.
  • According to the Player's Guides, Sluggy the Unshaven does not actually mean any harm.[3][4]


  1. ^ Nintendo Magazine System (AU) Issue #30, page 12. "Boss 2 Here’s where the FX chip kicks in! This giant Watabo (cotton monster) tries to smother Yoshi and Mario with its huge body. As our heroes valiantly bombard its hairy heart with eggs, the creature crumples up and backs off. As you can see, Giant Watabo is transparent too."
  2. ^ Nintendo Magazine System (AU) Issue #30, page 12. "BUMPING INTO THE WRONG GUY Not all creatures on Yoshi’s Island are fatal. These Watabos for example only cause dizziness, leaving Yoshi to stagger about wearing a daft expression."
  3. ^ Miller, Kent, and Terry Munson. Super Mario World 2: Yoshi's Island Player's Guide. Page 93. "Sluggy’s actually glad to see you (and he wants to give you a hug) but the only way you’re going to survive this diabolical dwelling is to break Sluggy’s little heart."
  4. ^ Williams, Drew. Yoshi's Island: Super Mario Advance 3 Player's Guide. Page 19. "Sluggy just wants to get close to you, but you’ll have to break its heart, anyway."