Junker

The Super Ultra Great Mega Trashy Monster Junker Bot is a sub-boss fought near the end of Mario & Luigi: Bowser's Inside Story. It is a robotic creature resembling a trash can. It is helped by several smaller monsters known as Garakuta Kobun.

The Super Ultra Great Mega Trashy Monster Junker Bot is encountered while infiltrating Peach's Castle near the end of the game. Upon entering a certain area of the garden, Starlow will comment that there is a lot of garbage laying about. After Mario and Luigi progress to the end of this area, Midbus appears, holding some sort of remote control. When it is activated, the Super Ultra Great Mega Trashy Monster Junker Bot springs to life from the piles of garbage laying around the area. After Midbus's attempts to control it fail, he smashes the remote and allows it to fight the Mario Bros. on its own.

In battle, the Super Ultra Great Mega Trashy Monster Junker Bot has a variety of attacks.
 * One attack consists of throwing a bucket over either Mario's or Luigi's head. The brother will then stumble around blindly while the Super Ultra Great Mega Trashy Monster Junker Bot throws Thwomps at him. Players must cause the brother to jump with good timing to avoid the attack.
 * Another attack involves throwing two balls of metal scrap at a bro, then attempting to ram him. The Mario Brother in question must jump onto the metal balls, then jump over the Super Ultra Great Mega Trashy Monster Junker Bot as it attempts the ramming portion of the attack.
 * A third attack consists of emptying the garbage from one of the Garakuta Kobun that follow it. Often, this garbage will consist of random enemies that go after the Mario Bros, each of which must be dodged in a different way. Once several enemies have attacked, the Garakuta Kobun will be discarded.
 * The Super Ultra Great Mega Trashy Monster Junker Bot may also choose to hinder the Mario Bros. by incapacitating Luigi. It does this by putting Luigi into a Garakuta Kobun. Since this attack cannot be dodged, Mario will be forced to defeat the Garakuta Kobun to rescue Luigi.

After the battle, the Super Ultra Great Mega Trashy Monster Junker Bot begins to malfunction again, rampaging around and freeing Bowser from captivity in the process. It then destroys itself by running into a locked gate, opening said gate in the process. This allows the Mario Bros. to access a pipe connecting Peach's Castle to Pipe Plaza.