Poltergust

The Poltergust is a weapon Luigi uses in the Luigi's Mansion series.

Description
The Poltergust (a portmanteau of the words "gust" and "poltergeist") is a vacuum cleaner created by Professor E. Gadd, designed to capture ghosts. The Poltergusts

Poltergust 3000
After he meets Professor E.Gadd, he gives him the vacuum cleaner, which has the ability to damage, and eventually suck up ghosts or other objects like coins and bills. The Poltergust 3000 can also affect normal everyday items, like extinguish candlelit fires, make stationary ceiling fans move, and even cause vases to spin around. Throughout the game, Luigi can stumble upon "Element Medallions" that let him harness the power one of the three major elements (fire, water, and ice). Only one element can be active at any given time, and the only way use an element is to suck up an elemental mini-ghost.

Poltergust 5000
The Poltergust 5000 appears in Luigi's Mansion: Dark Moon.

Poltergust G-00
The Poltergust G-00 (a pun on "Goo") appears in both Super Smash Bros. Ultimate and the upcoming Luigi's Mansion 3.