Professor Elvin Gadd
Prof. Gadd
Professor Elvin Gadd's basic appearance
Gender Male
Species Human
Class Professor
Debut Luigi's Mansion (2001)
Current Status(es) Alive
Affiliation(s) Thwomp Volcano, Luigi

Professor E. Gadd, full name Professor Elvin Gadd (sometimes Dr. E. Gadd; Japanese: オヤ・マー博士 Doctor Oya Mā), is the scientist first appearing in Luigi's Mansion and founder of Gadd Science, Incorporated. He always speaks in ambiguous gibberish (supplied by Kazumi Totaka, who took inspiration from Animal Crossing's "Animalese" when inventing the voice). His name comes from the minced oath "egad," something that one says in amazement or shock.

Creation and DevelopmentEdit

He used to live on the foothills of the Thwomp Volcano, as depicted in the game Mario & Luigi: Partners in Time. The Mario Bros. go back in time and end up saving his lab from burning down when fire blocks erupted from the Thwomp Volcano. He then helps the Mario Bros. by inventing the Hydrogush 4000. Although he doesn't directly invent the Hydrogush 4000, his older self does in a complex way: Young E. Gadd starts to get an idea after a totally unrelated event happened during the present time, which transfers to his future self, causing the present-day, elderly professor to send water from the Hydrogush 4000 via Time Hole and calm the erupting Thwomp Volcano. After all this excitement, the twenty-year-old E. Gadd moves to Boo Woods.


Mario Kart SeriesEdit

Mario Kart: Mega Mash UpEdit

Professor Elvin Gadd appears as an unlockable character. He is a small racer and his karts and bikes will follow a white and grey (and sometimes a brown) colour scheme. You can unlock him by getting Gold on the 50cc Lightning Cup.

He will do the following to each stat in whatever kart or bike he rides:

  • Speed: +2
  • Weight: +1
  • Acceleration: +2
  • Handling: +1

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