Wormy

From the Super Mario Wiki

Wormy is a small, caterpillar-like worm found in the Wario Land series. In Wario Land 3, it has an attack called the String Shot attack, which turns Wario into Ball o' String Wario.

[edit] Trivia

• A character named Silky, whom is playable in the game Dr. Mario 64, looks alot like and might even be a wormy.