Drill Bros.

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Baby Drill in action.

Instruction for hammer moves

Drill Bros., called Baby Drill in Mario & Luigi: Partners in Time, is a technique used by Baby Mario and Baby Luigi in Mario & Luigi: Partners in Time and by Mario and Luigi in Mario & Luigi: Bowser's Inside Story. The babies learn this technique shortly after they receive their hammers in the Vim Factory. It is taught to them by the Hammer Bros., and allows them to burrow underground - avoiding enemies and allowing them to slip under the tightest spaces. The babies cannot dig through hard materials (such as metal), and can receive a Bean if they surface on an 'X' marked spot. If they surface on an enemy, the overworld enemy is stunned, which allows the babies to either escape or engage the enemy more easily.

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Drill Bros. in Mario & Luigi: Bowser's Inside Story.

The technique returns in Mario & Luigi: Bowser's Inside Story. It is usable by Mario and Luigi and serves a similar function to the last game, letting them traverse under tight areas and find Beans in the overworld, marked with again an 'X'. They can also find Beans in Bowser's body, except they are marked by sparkling spots instead of an 'X'. The move can also be used to collect Mushroom Balls in Toad Town Mall.

The Drill Bros. reappears again in Mario & Luigi: Paper Jam. In this game, Mario, Luigi and Paper Mario perform it at the same time. It has the same purpose as past instalments with the only difference being that the bros can no longer hide from enemies in this state meaning enemies can still engage in battle with them if made in contact with them.

The Baby Drill in volume 36 of the Super Mario-Kun.

The Baby Drill appears in volume 35 and 36 of the Super Mario-Kun. Rather than using it as a technique for digging up beans, the Baby Mario Bros. use it as an offensive attack. Unlike in the game, Baby Luigi carelessly swinging his hammer around gives Baby Mario the inspiration of the move rather than the Hammer Bros. teaching it to them. They use the move to attack Swiggler, Mrs. Thwomp, and even the adult Mario Bros. The babies' positions also alternate, unlike in the game, where Baby Luigi is always on the top. The babies also do not require hammers for the move in the manga.

Names in other languages

Baby Drill

Language	Name	Meaning	Notes
Japanese	ベビィドリル (Partners in Time)[?] Bebī Doriru	Baby Drill