Brobot

Brobots are an imaginary type of robot. In D.W., Bud, and Emily's imagination, three Brobots lived on the moon and were trying to build a spaceship to get to Earth and give everyone Arthuritis when they eat Super Ziloonian Crystals. The main Brobot resembles B.W.'s big brother.

Arthur

 * Season 18
 * 1809b. "Some Assembly Required"