Big Monty Mole

A big Monty Mole is an enlarged version of a Monty Mole that first appears in Mario Party 10.

Mario Party 10
A Mega Monty Mole appears as the mid-boss of Airship Central in Mario Party 10. He appears in the minigame Mega Monty Mole's Maze Mischief, where the aim is to get through his maze to the different cannons, and then fire at him.

Super Mario Maker / Super Mario Maker for Nintendo 3DS / Super Mario Maker 2
Big Monty Moles appear in Super Mario Maker, and later return in its 3DS port and its Nintendo Switch sequel, as Monty Moles that can be enlarged with Super Mushrooms. They act the same as regular Monty Moles, only bigger.

Yoshi's Crafted World
Big Monty Moles appear as uncommon enemies in Yoshi's Crafted World. They are always found in the background, and must be hit with two eggs to be defeated. It turns red when hit once. Big Monty Moles usually appear when a red Winged Timer Cloud is hit, and must be hit to make a Smiley Flower appear.