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The Mogu Mogu no Mi is a Zoan-type Devil Fruit that allows its user to transform into a mole hybrid and a full mole at will, making the user a Mole Human (モグラ人間 Mogura Ningen?).[1] It was eaten by Miss Merry Christmas.

Its powers were first explained by Chopper to Usopp before actually being clearly seen.[1]


  • "Mogu" is short for "Mogura" (土竜?), the Japanese word for mole.
  • In the Viz Manga and 4Kids dub, it is called the Diggy-Diggy Fruit, a reference to the animal's ability to dig through earth.
  • In the FUNimation dub, it is correctly called the Mole-Mole Fruit.

Strengths and WeaknessesEdit

The major strength of the fruit, as demonstrated by Miss Merry Christmas, is that the user is able to move underground as if they were swimming in a pool. He/she are also able to attack enemies with sharp mole-claws the size of bananas. A powerful enough user will just simply smash through any stone structures in their way without losing any speed whilst traveling underground.

The tunnels that the user makes by digging can also be used by their allies to aid them in fighting.[2] Unfortunately for the user and their partner(s), the tunnels can also be used by the enemies as well.[3] The major weakness of this is that all the tunnels that are dug are interconnected. This means a large scale attack, like an explosion, sent into the tunnels could greatly damage the user and their allies.[4]

Other than that the user is also affected by the same main weaknesses as other Devil Fruit users.


The fruit's bestowed powers, as used by Miss Merry Christmas, have been used primarily for combat. During her and Mr. 4's battle against Usopp and Chopper, the way she used her mole hybrid form in a sequence of events, greatly resembled to the game of "whack-a-mole".[4] Mainly when Usopp tried to use the 5-Ton Hammer on her and she kept retreating into her holes. The majority of her named techniques while in her mole-hybrid form were also first seen being used during the same battle.[4]

  • Mogura Tonpo: Mogugyo (土竜遁法 土竜魚 Mogura Tonpō: Mogugyo?, literally meaning "Mole Digging Technique: Mole-Fish"): From the opening of one of her molehills, Miss Merry Christmas leaps into the air and swan dives underground.[5] This technique is called Mole Swimming Stealth Style in the Viz Manga, Mole Swimming: Mole-Fish Escape in the FUNimation dub, and Woodchuck Swimming Stealth Style in the 4Kids dub.
Mogura Banana

Mogura Banana.

  • Mogura Banana (土竜 平手撃ち (バナナ) Mogura Banana?, literally meaning "Mole Palm Shoot"): Miss Merry Christmas attacks her opponent with her mole-hybrid form's claws. This attack can be performed while underground or by leaping out at her opponent. Its name is derived from when she attacks her opponent: the way she attacks and her claws resemble bananas.[6] This is called Mole Banana in the Viz Manga and FUNimation dub and Woodchuck Banana in the 4Kids dub.
  • Mogurazuka Highway (モグラ塚ハイウェイ Mogurazuka Haiuei?, literally meaning "Molehill Highway"): Miss Merry Christmas grabs her opponent's feet from underground and starts tunneling rapidly, dragging him/her along the surface with her.[7] This is called Moletown Highway in the Viz Manga, Woodchuck Highway: Off and Running in the 4Kids dub, and Molehill Highway in the FUNimation dub.
    • Mogurazuka Yonban Kousaten (モグラ塚4番交差点 Mogurazuka Yonban Kōsaten?, literally meaning "Molehill Intersection Number 4"): A combo attack with Miss Merry Christmas, first, Miss Merry Christmas uses Mogurazuka Highway and carries the opponent past Mr. 4 who, upon hearing her call out the attack, smacks the captive with his 4-ton bat, causing massive damage.[8] This is called Moletown Cleanup Hitter in the Viz Manga and the FUNimation dub of Movie 8, Woodchuck Batter Blaster in the 4Kids dub, and Molehill Intersection #4 in the FUNimation dub.
  • Mogu Mogu Impact (モグモグ玉砕 (インパクト) Mogu Mogu Inpakuto?, literally meaning "Mole Mole Honorable Death"): After performing Mogurazuka Highway, Miss Merry Christmas steers her opponent into a wall, smashing him/her into it with great force.[9] This is simply called Mole Impact in the Viz Manga, Mole-Mole Impact in the FUNimation dub, and Woodchuck Wallbanger in the 4Kids dub.

Translation and Dub IssuesEdit

In the 4Kids dub, in order to match with the Miss Merry Christmas' name change to Miss Groundhog's Day, the animal into which the fruit allows her turn was also changed: a mole to a groundhog. This change also included changing Usopp's penguin assumption regarding Miss Merry Christmas' hybrid form. This change, however, was only dialogue-wise. Despite the dub stating she was a groundhog, she still looked like a mole. The name of "Diggy Diggy" also did not match the naming scheme of other Zoans as it did not list the species name in any way.

Real Life Mole
Real-life mole.
Real Life Groundhog
Real-life groundhog.


  • A running gag due to the Miss Merry Christmas' shape when she turns to a mole hybrid is that Usopp mistakes her for a penguin.[3]
  • While the name of the fruit can be short for the Japanese word for mole, it can also abbreviate "mogu mogu", a phrase meaning to chew one's words, which describes Miss Merry Christmas' manner of speech.


  1. 1.0 1.1 One Piece Manga and Anime — Vol. 20 Chapter 183 (p. 18) and Episode 113, Chopper explains to Usopp about Miss Merry Christmas' Devil Fruit.
  2. One Piece Manga and Anime — Vol. 20 Chapters 183184 and Episode 113, Mr. 4 and Lassoo are seen also using Miss Merry Christmas' tunnels.
  3. 3.0 3.1 One Piece Manga and Anime — Vol. 20 Chapter 184 and Episode 114.
  4. 4.0 4.1 4.2 One Piece Manga and Anime — Vol. 20 Chapter 185 and Episode 114.
  5. One Piece Manga and Anime — Vol. 20 Chapter 185 (p. 8) and Episode 114.
  6. One Piece Manga and Anime — Vol. 20 Chapter 185 (p. 9, 12-13) and Episode 114.
  7. One Piece Manga and Anime — Vol. 20 Chapter 185 (p. 15-16) and Episode 114.
  8. One Piece Manga and Anime — Vol. 20 Chapter 186 (p. 8-10) and Episode 115.
  9. One Piece Manga and Anime — Vol. 20 Chapter 185 (p. 16) and Episode 114.

External LinksEdit

  • Mole — Wikipedia article about moles in general

Site NavigationEdit

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Officer Agents: Mr. 1  •  Miss Doublefinger  •  Mr. 2 Bon Kurei  •  Mr. 3  •  Miss Goldenweek  •  Mr. 4  •  Miss Merry Christmas  •  Mr. 5  •  Miss Valentine
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Devil Fruits
Canon: Gomu Gomu no Mi  •  Bara Bara no Mi  •  Sube Sube no Mi  •  Kilo Kilo no Mi  •  Bomu Bomu no Mi  •  Hana Hana no Mi  •  Doru Doru no Mi  •  Baku Baku no Mi  •  Mane Mane no Mi  •  Toge Toge no Mi  •  Supa Supa no Mi  •  Ori Ori no Mi  •  Bane Bane no Mi  •  Ito Ito no Mi  •  Noro Noro no Mi  •  Doa Doa no Mi  •  Awa Awa no Mi  •  Beri Beri no Mi  •  Sabi Sabi no Mi  •  Shari Shari no Mi  •  Yomi Yomi no Mi  •  Kage Kage no Mi  •  Horo Horo no Mi  •  Suke Suke no Mi  •  Nikyu Nikyu no Mi  •  Ope Ope no Mi  •  Shiro Shiro no Mi  •  Wara Wara no Mi  •  Mero Mero no Mi  •  Doku Doku no Mi  •  Horu Horu no Mi  •  Choki Choki no Mi  •  Gura Gura no Mi  •  Woshu Woshu no Mi  •  Fuwa Fuwa no Mi  •  Mato Mato no Mi  •  Fuku Fuku no Mi  •  Buki Buki no Mi  •  Guru Guru no Mi  •  Beta Beta no Mi  •  Hobi Hobi no Mi  •  Bari Bari no Mi  •  Nui Nui no Mi  •  Giro Giro no Mi  •  Ato Ato no Mi  •  Jake Jake no Mi  •  Pamu Pamu no Mi  •  Sui Sui no Mi  •  Ton Ton no Mi  •  Hira Hira no Mi  •  Ishi Ishi no Mi  •  Nagi Nagi no Mi  •  Chiyu Chiyu no Mi  •  Soru Soru no Mi  •  Mira Mira no Mi  •  Pero Pero no Mi  •  Bisu Bisu no Mi  •  Kuri Kuri no Mi  •  Buku Buku no Mi  •  Shibo Shibo no Mi  •  Memo Memo no Mi  •  Mochi Mochi no Mi  •  Hoya Hoya no Mi  •  Netsu Netsu no Mi  •  Kuku Kuku no Mi  •  Kobu Kobu no Mi  •  Toki Toki no Mi  •  Juku Juku no Mi
Non-Canon: Goe Goe no Mi  •  Hiso Hiso no Mi  •  Kama Kama no Mi  •  Kachi Kachi no Mi  •  Nemu Nemu no Mi  •  Mini Mini no Mi  •  Atsu Atsu no Mi  •  Noko Noko no Mi  •  Ami Ami no Mi  •  Kopi Kopi no Mi  •  Modo Modo no Mi  •  Mosa Mosa no Mi  •  Peto Peto no Mi  •  Kone Kone no Mi  •  Moa Moa no Mi  •  Kyubu Kyubu no Mi  •  Nito Nito no Mi  •  Hore Hore no Mi  •  Gutsu Gutsu no Mi  •  Nuke Nuke no Mi  •  Koro Koro no Mi  •  Jara Jara no Mi  •  Iro Iro no Mi  •  Gol Gol no Mi  •  Raki Raki no Mi  •  Nepa Nepa no Mi  •  Mono Mono no Mi  •  Bijo Bijo no Mi  •  Pocha Pocha no Mi  •  Ute Ute no Mi
SBS: Samu Samu no Mi  •  Gero Gero no Mi
Canon (Natural): Ushi Ushi no Mi, Model: Bison  •  Hito Hito no Mi  •  Tori Tori no Mi, Model: Falcon  •  Inu Inu no Mi, Model: Dachshund  •  Mogu Mogu no Mi  •  Inu Inu no Mi, Model: Jackal  •  Uma Uma no Mi  •  Neko Neko no Mi, Model: Leopard  •  Zou Zou no Mi  •  Inu Inu no Mi, Model: Wolf  •  Ushi Ushi no Mi, Model: Giraffe  •  Hebi Hebi no Mi, Model: Anaconda  •  Hebi Hebi no Mi, Model: King Cobra  •  Hito Hito no Mi, Model: Daibutsu  •  Kame Kame no Mi  •  Sara Sara no Mi, Model: Axolotl  •  Mushi Mushi no Mi, Model: Kabutomushi  •  Mushi Mushi no Mi, Model: Suzumebachi  •  Zou Zou no Mi, Model: Mammoth
Canon (Artificial): Artificial Devil Fruit  •  SMILE
Non-Canon: Tori Tori no Mi, Model: Eagle  •  Inu Inu no Mi, Model: Bake-danuki  •  Batto Batto no Mi, Model: Vampire  •  Tori Tori no Mi, Model: Nue
Canon: Moku Moku no Mi  •  Mera Mera no Mi  •  Suna Suna no Mi  •  Goro Goro no Mi  •  Hie Hie no Mi  •  Yami Yami no Mi  •  Pika Pika no Mi  •  Magu Magu no Mi  •  Numa Numa no Mi  •  Gasu Gasu no Mi  •  Yuki Yuki no Mi
Non-Canon: Toro Toro no Mi  •  Pasa Pasa no Mi  •  Ame Ame no Mi
Undetermined Class
Canon: Tama Tama no Mi
Non-Canon: Zuma Zuma no Mi  •  Meta Meta no Mi
SBS: Ero Ero no Mi
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