Wallop

Wallops are enemies introduced in Super Mario 3D Land. They are a Whomp sub-species shaped like a wall with black eyes and yellow pupils, with mouths and feet.

''Super Mario 3D Land
Wallops make their first appearance in Super Mario 3D Land, where they are found in many places of various themes. They block Mario's way, walking in front of him and taking the same directions the plumber goes, preventing Mario to go ahead. Wallops can also jump whenever Mario jumps and then slam the ground. After jumping, Wallops remain motionless by some seconds, a chance that Mario can have to pass and follow. Mario or Luigi can destroy by standing below them when they jump as Statue Mario or Statue Luigi, or turning into a statue above them.

Trivia

 * The move Wallops use when they slam the ground strongly resembles a Ground Pound.
 * Wallops are very similar to Blocky from the Kirby series.
 * Like Whomps, Wallops seem to be inspired by the Japanese, mythological creature nurikabe. Nurikabes block the path of travelers, just like Wallops do.
 * The name Wallop is also a pun on "wall", due to how they look and behave like walls all the time.
 * When the player is far away from a Wallop it appears to be sleeping since their feet aren't showing and their eyes are closed.