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Paper Mario: The Thousand-Year Door Enemy
Max HP 80
Attack 8
Defense 2
Location(s) Palace of Shadow
Log Hooktail's brother. He's a big, dark, poison-spewing baddie. Watch out for his famous Megabreath attack!
Items None
Moves Poison Breath (8, Poison, Piercing), Stomp (8), Chomp (8), Earthquake (10, Piercing; useless against Vivian and Flurrie), Charge +8 (warning for Megabreath), Megabreath (16)
That's Gloomtail. I think he's Hooktail's brother. I see the family resemblance... He'll bite or stomp you, and he may also breathe poison on you. Great. When his HP gets low, he may throw in some other attacks as well. Wouldn't surprise me. Especially watch out for his megabreath move, 'cause the word is, it's GNARLY! He also stores power for some attacks, so use Vivian to hide to avoid those.
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“WHAAAAAAAAAAAAAAAAT?!? You destroyed my precious younger sister?!? I wondered why she hadn't written recently…”
Gloomtail, Paper Mario: The Thousand-Year Door

Gloomtail is the middle sibling in the "tail" family in Paper Mario: The Thousand-Year Door. He is the older brother of Hooktail and the younger brother of Bonetail. Upon hearing Mario's partners say they defeated his sister Hooktail, Gloomtail vows to destroy Mario and company. He lives in the Palace of Shadow and guards the Star Key, which is needed to unlock the pedestals in the Riddle Tower. Mario and company had to defeat Gloomtail to get the Star Key.

Gloomtail is much stronger than his sister. He attacks by breathing poison on Mario and his partner, this takes at least ten turns to wear off, and stomping or chomping the character in front. His Earthquake move can be dangerous, but it doesn't work on Vivian and Flurrie. He can also charge up for his signature and strongest attack: his Megabreath move, which does up to 16 damage.


For a full list of quotes, see here

Names in other languages[edit]

Language Name Meaning
Japanese ブンババ
Spanish Bumbaba Taken from the Japanese Bunbaba, but with the M before B because, in Spanish grammar, N should not come directly before B.
French Toxicroc Portmanteau of "toxique" (toxic) and "croc" (fang)
German Lohbert Portmanteau of "Lohe" (blaze) and a male name like "Robert", "Hubert" or just "Bert"
Italian Fosco


  • Gloomtail is the only dragon boss in Paper Mario: The Thousand-Year Door that does not have a Super Paper Mario equivalent.
  • The room Sir Grodus is fought in is directly below Gloomtail's room, which would mean that Bowser was in Gloomtail's room when he fell through the floor.
  • Bonetail has the same default attack and defense stats as Gloomtail.
  • If Mario brings Flurrie, Yoshi, Vivian or Bobbery when seeing Gloomtail -- partners that were not available during the battle with Hooktail -- they will confuse him for Hooktail, going off on several descriptions Mario told them about offscreen.