- "I am Thwomp, and I love a good game! Test your luck for a mere 200 coins! Are you guys ready to show me the mightiest swing you've got?"
- ― Thwomp, Mario & Luigi: Superstar Saga
Thwomp is a non-playable character who first appeared in Mario & Luigi: Superstar Saga.
He lives in a new home of the Hammerhead Bros. from the Hoohoo Mountain to Beanbean Kingdom outskirts, the Gray Rocks and Black Rocks can be destroyed which the Mario and Luigi's hammers will be upgraded. It reveals himself in a featureless room.
He explains if they want to play the game, they should charge themselves 200 coins to destroy the three stones that he summons on. It has a chance of containing 200 coins, 300 coins, 1 Secret Scroll (teaches Swing Bros.)/2 Secret Scroll (teaches Cyclone Bros.) or nothing.
In the remake, he looks like a normal Thwomp only a tad thicker.