The Tinkerslug (formerly known as the Part Omni-Organic, Partially Titanic, Ocean-Optional Tinkerslug) is the first boss of Half Genie Hero. It is fought in the Main Street stage. It's a giant slug with mounted ship and cannons. Risky stands in the Crow's Nest while the Tinkerbats can be found on the deck. Shantae must ring the bell located at the bottom left of the screen to rotate an explosive barrel onto the screen where she then needs to whip it with her hair to hurl the explosive barrel toward P.O.O.P. T.O.O.T.