professor E. Gadd
professor E. Gadd Professor E. Gadd, also known by his full name Professor Elvin Gadd or simply E. Gadd, is an elderly scientist who debuted in Luigi's Mansion and is the founder of Gadd Science, Incorporated. He is a researcher of ghosts and is responsible for a variety of inventions, most notably the Poltergust series of vacuums. He makes ambiguous gibberish sounds when speaking and frequently uses phrases such as "criminy," "hullabaloo," etc. The above text is from the Super Mario Wiki and is available under a Creative Commons license. Attribution must be provided through a list of authors or a link back to the original article. Source: https://www.mariowiki.com/Professor_E_Gadd
