Professor E. Gadd's Research Journal

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Professor E. Gadd's Research Journal is a series of stories written in journal format on the official Luigi's Mansion website. In it, Professor E. Gadd logs the accidental discovery of the green slimy chemical element "Goo," the subsequent creation of Gooigi from said element and the various experiments conducted to perfect him.[1] The stories in the journal take place during the events of Luigi's Mansion: Dark Moon up until shortly before the events of Luigi's Mansion 3.

Entries[edit]

Note: For the European language variants for countries such as the UK and Ireland, each entry on the website is numbered as "01:", "02:" etc. instead of "XXX-001", "XXX-002" etc.

XXX-001 An Accidental Discovery[edit]

E. Gadd begins by making a short introduction on a "strange liquid energy" collected from ghosts he had befriended. He posits that said energy is "the key to many, many new inventions," but admits that he initially struggled to uncover its uses. His failed experiments with the energy included poking it with iron, pouring it on rubber, and even absent-mindedly dipping a donut into it.

The professor recounts that later during his research, he was startled by a Hider ghost that had escaped from its confinement, causing him to spill the coffee he was drinking into a vial containing ghost energy. He claims that the coffee, described as a "Lunoman Greenie blend from Evershade Valley," quickly reacted with the energy inside the vial, leading to the creation of a green viscous substance. E. Gadd recognized the substance as a new chemical element and called it "Goo," which he then assigned the "00" entry in the periodic table.

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XXX-002 Characteristics of "Goo"[edit]

E. Gadd writes that he wishes to discover the real-life uses of "Goo", and decides to perform various experiments on it. He first tested fire on the Goo. The substance was melted, revealing a weakness to fire. The professor followed up by spraying water on the Goo, which yielded the same result. However, E. Gadd notes that the bits of Goo which did not touch the water had moved away from the hazard.

The professor also tells that he has discovered other unusual properties of Goo. He reveals that Goo will push back when touched, as well as react to sounds such as music. E. Gadd concludes that Goo is able to react to outside stimulation, and writes that he believes there is a greater purpose for this new element.

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XXX-003 The Birth of Gooigi[edit]

E. Gadd writes that he could teach Goo to collect ghosts with his invention, the Poltergust 3000. He first created a mold that he could pour Goo into a humanoid form. When he removed the mold, Goo was in a human shape, but returned to its original form moments later. The professor then used the Pixelator that contains Luigi’s biological data and converted it into an electrical signal. He then was able to input the signal into the Goo. The result was that the Goo has shape-shifted into a green copy of Luigi.

E. Gadd then showed the Goo some footage of Luigi catching ghosts. The Goo began to imitate Luigi’s movements, and even grew a perfectly functional replication of the Poltergust out of its body. E. Gadd decided to call it "Gooigi" and felt determined to find the perfect place to test "his" ghost-hunting abilities.

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XXX-004 That Nostalgic Mansion[edit]

E. Gadd admits that he had difficulty in thinking about an optimal place where Gooigi could be tested out. He also had to come up with a plan to obtain more ghost energy from beyond Evershade Valley in order to confer Gooigi paranormal capabilities. While pondering over a solution, he realized after a sip of his Lunoman Greenie coffee that he could send Gooigi to the mansion where he originally worked with Luigi. However, since the mansion had vanished long before, E. Gadd had to program his Pixelator so that it could connect to the past and make revisiting the mansion possible. In this way, he contacted himself and Luigi from the past, asking them for help, and outsourced Gooigi to them afterwards.

When he contacted Gooigi after a while for a check up, he discovered that he was very successful in his tests and had collected a large amount of ghosts. As a final note, E. Gadd writes that he is thinking about other possible interactions between ghost energy and Goo.

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XXX-005 A New Power[edit]

Professor E. Gadd writes that he began his research in improving Gooigi's qualities "beyond that of a normal person" with the large ghost supply obtained by Gooigi from the original Luigi's Mansion. As he analyzed the ghost energy, he discovered that ghosts from the original mansion were structured differently from those in Evershade Valley and became clear to him that there are various types of ghost energy based on their molecular structure. E. Gadd remembers that he still needed a way to benefit Gooigi from the new discovery, and since Goo is different enough from ghost energy, he would not be able to give him ghostly properties like vanishing or going through solid walls.

E. Gadd knew that Gooigi's viscosity could be significantly enhanced to enable him to slip through tight spaces; however, he needed the optimal mix of ghost energy applied to Gooigi. He then began testing various mixtures of ghost energy and Goo. Most of the experiments either had no effect on Gooigi or made him more rigid. After many more tests, the final formula let Gooigi retain his form while still giving him a fluid quality, allowing him to pass between bars. Satisfied by the success of this experiment, E. Gadd decided to take a break with a cup of Lunoman Greenie coffee blend.

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XXX-006 Gooigi's Weaknesses[edit]

E. Gadd began his research into addressing Gooigi's vulnerability to fire or water. After reducing the density of the Goo to no avail, he then attempted to increase the density instead. However, he was startled by Polterpup, causing him to spill the compound onto his head. The compound began to harden and cause E. Gadd to suffocate, but he was quickly able to run to the shower and wash it off with water.

After performing many tests, E. Gadd eventually realized that eliminating Gooigi's weaknesses was a task beyond even his own expertise, but his experiments had at least subtly improved Gooigi's viscosity. E. Gadd summed up the results of his tests:

  1. While Gooigi can still dissolve by being directly burned or soaked, he can withstand steam and vapor.
  2. Gooigi can withstand light physical attacks, but cannot endure powerful blows.
  3. Gooigi is capable of applying subtle forces to objects, such as opening drawers and treasure chests, but cannot perform actions such as turning doorknobs.

Still traumatized by his near-death experience, E. Gadd sipped a cup of Lunoman Greenie coffee as he pondered his next experiment.

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XXX-007 Gooigi's Completion[edit]

E. Gadd noted that Gooigi had a tendency to scare ghosts away, which made him inefficient in catching and collecting them. By taking precise control of Gooigi, E. Gadd could eradicate the issue.

At first, E. Gadd implanted a communication chip inside Gooigi to enable him to give Gooigi directions via a controller. This method proved successful at first, but after a while E. Gadd started facing issues with the remote, one of which was being unable to stop Gooigi's Poltergust from vacuuming once it was started. This later led to E. Gadd getting his head pulled inside the Poltergust's nozzle, with no apparent way to escape; however, he accidentally kicked a bucket of water and a mop onto Gooigi, which promptly melted him and let E. Gadd go.

Shortly after the incident, E. Gadd abandoned the previous idea and realized that he could use his own consciousness to control Gooigi more easily. He thus equipped the new Poltergust G-00, with a sensor that would make this possible once Gooigi was unloaded from the Poltergust. This caused him to enter a "sleep-like state", which he describes as a "minor hindrance at best", as he could quickly swap the consciousness back between Gooigi and him when in danger. At this point, E. Gadd considered Gooigi to finally be complete.

E. Gadd decided to enjoy a cup of Lunoman Greenie coffee in celebration of Gooigi's completion, when he received a letter from the owner of a luxurious hotel. The owner addressed in the letter that she would let E. Gadd stay at the hotel free of charge and offer her entire collection of ghosts in exchange for personally seeing King Boo, whom E. Gadd had kept in containment in his vault since Luigi's previous adventure. Enthusiastic for this chance, E. Gadd loaded the Poltergust G-00 and the canister containing King Boo into his car and drove to the hotel, setting the events of Luigi's Mansion 3 in motion.

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Miscellaneous[edit]

Names in other languages[edit]

Professor E. Gadd's Research Journal[edit]

Language Name Meaning
Japanese オヤ・マー博士の研究日誌
Oya Mā Hakase no kenkyū nisshi
Professor E. Gadd's research diary
Spanish Diario de investigación del profesor Fesor Professor E. Gadd's research journal
French Journal de recherche du professeur K. Tastroff1 Professor E. Gadd's research journal
Dutch Onderzoeksrapport van professor K. Wibus Professor E. Gadd's research report
German Professor I. Gidds Forschungstagebuch Professor E. Gadd research journal
Italian Appunti di ricerca del Professor Strambic Professor E. Gadd's research notes
Portuguese Diário de pesquisas do Professor E. Gadd Professor E. Gadd's research journal
Russian Дневник исследований профессора П. У. Галкина
Dnevnik issledovaniy professora P. U. Galkina
Professor E. Gadd's journal of research

1 - E. Gadd's French name ("K. Tastroff") is misspelled as "K. Tastrotff" on the page that precedes the entry selection page, but is spelled correctly on all other pages related to the journal.[2]

XXX-001 An Accidental Discovery[edit]

Language Name Meaning
Japanese XXX-001:偶然の産物
XXX-001: Gūzen no sanbutsu
XXX-001: An accidental product
Spanish 01: Un descubrimiento por accidente 01: A discovery by accident
French 01 : Une découverte accidentelle 01: An accidental discovery
Dutch 01: Een toevallige ontdekking 01: An accidental discovery
German 01: Eine zufällige Entdeckung 01: An accidental discovery
Italian 01: Una scoperta accidentale 01: An accidental discovery
Portuguese 01: Uma descoberta acidental 01: An accidental discovery
Russian 01. Случайное открытие
01. Sluchaynoye otkrytiye
01. Accidental discovery

XXX-002 Characteristics of "Goo"[edit]

Language Name Meaning
Japanese XXX-002:“グー”の特性
XXX-002: "Gū" no tokusei
XXX-002: Characteristics of "Goo"
Spanish 02: Características del gominol 02: Characteristics of jelly
French 02 : Les propriétés du « Gluant » 02: Properties of "Goo"
Dutch 02: Eigenschappen van "goo" 02: Properties of "goo"
German 02: Eigenschaften von „Glibber“ 02: Properties of "Goo"
Italian 02: Caratteristiche del "Goo" 02: Characteristics of "Goo"
Portuguese 02: Características do "Goo" 02: Characteristics of "Goo"
Russian 02. Свойства элемента Goo
02. Svoystva elementa Goo
02. Goo element properties

XXX-003 The Birth of Gooigi[edit]

Language Name Meaning
Japanese XXX-003:グーイージの誕生
XXX-003: Gūīji no tanjō
XXX-003: The birth of Gooigi
Spanish 03: El nacimiento de Gomiluigi 03: The birth of Gooigi
French 03 : La naissance de Gluigi 03: The birth of Gooigi
Dutch 03: Het ontstaan van Gooigi 02: The birth of Gooigi
German 03: Die Entstehung des Fluigi 03: The creation of Gooigi
Italian 03: La nascita di Gommiluigi 03: The birth of Gooigi
Portuguese 03: O nascimento do Gooigi 03: The birth of Gooigi
Russian 03. Рождение Гуиджи
03. Rozhdeniye Guidzhi
03. Birth of Gooigi

XXX-004 That Nostalgic Mansion[edit]

Language Name Meaning
Japanese XXX-004:懐かしのあの屋敷
XXX-004: Natsukashi no ano yashiki
XXX-004: That nostalgic mansion
Spanish 04: La mansión de la nostalgia 04: The mansion of nostalgia
French 04 : Le manoir de la nostalgie 04: The mansion of nostalgia
Dutch 04: De villa van toen 04: The villa from then
German 04: Die Villa von damals 04: The Villa of yesteryear
Italian 04: La villa che viene dal passato 04: The villa that comes from the past
Portuguese 04: A mansão do passado 04: The mansion of the past
Russian 04: Ностальгический дом
04: Nostal'gicheskiy dom
04: Nostalgic house

XXX-005 A New Power[edit]

Language Name Meaning
Japanese XXX-005:新たな能力
XXX-005: Arata na nōryoku
XXX-005: A new ability
Spanish 05: Un nuevo poder 05: A new power
French 05 : Une nouvelle force 05: A new force
Dutch 05: Een nieuwe kracht 05: A new power
German 05: Eine neue Fähigkeit 05: A new ability
Italian 05: Un nuovo potere 05: A new power
Portuguese 05: Um novo poder 05: A new power
Russian 05: Новая способность
05: Novaya sposobnost'
05: New ability

XXX-006 Gooigi's Weaknesses[edit]

Language Name Meaning
Japanese XXX-006:グーイージの弱点
XXX-006: Gūīji no jakuten
XXX-006: Gooigi's weaknesses
Spanish 06: Los puntos débiles de Gomiluigi 06: The weak points of Gooigi
French 06 : Les points faibles de Gluigi 06: The weak points of Gooigi
Dutch 06: Gooigi's zwakheden 06: Gooigi's weaknesses
German 06: Fluigis Schwächen 06: Gooigi's weaknesses
Italian 06: I punti deboli di Gommiluigi 06: The weak points of Gooigi
Portuguese 06: Os pontos fracos do Gooigi 06: The weak points of Gooigi
Russian 06: Недостатки Гуиджи
06: Nedostatki Guidzhi
06: Disadvantages of Gooigi

XXX-007 Gooigi's Completion[edit]

Language Name Meaning
Japanese XXX-007:グーイージの完成
XXX-007: Gūīji no kansei
XXX-007: Gooigi's completion
Spanish 07: Gomiluigi completado 07: Gooigi completed
French 07 : L'achèvement de Gluigi 07: The completion of Gooigi
Dutch 07: De voltooiing van Gooigi 07: The completion of Gooigi
German 07: Fluigis Fertigstellung 07: Gooigi's completion
Italian 07: L'ultimazione di Gommiluigi 07: The completion of Gooigi
Portuguese 07: O Gooigi está concluído! 07: Gooigi is completed!
Russian 07: Гуиджи готов!
07: Guidzhi gotov!
07: Gooigi is ready!

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