Thudley is one of the 13 different Pixl creatures found in the video game Super Paper Mario. Once he is in use, Mario, Princess Peach, Bowser, or Luigi will be able to perform a ground pound, which in some cases is essential for puzzles. Because it exerts more force while jumping, this attack will also harm enemies more that it would if you didn't use it against them.

He understandably resembles a 100 Ton block, which goes along with his ability to make Mario perform a ground pound. It was revealed that he was once a wrestling star long ago. He apparently quit wrestling after he badly injured his hip, despite the fact that he doesn't have hips.

He provides Mario's spin jump ability, previously provided by Toadette.

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