Professor E. Gadd

A genius inventor who supports Luigi in his adventures…from the safety of his lab, that is.

Professor E. Gadd is the leading authority in the field of paranormal research. His beloved ghost collection is said to be the best in the world!

This eccentric ghost expert is known for many brilliant inventions, including the Poltergust line of ghost-hunting tools and Luigi’s gooey doppelganger, Gooigi.