The "Chief Doofbot" is an invention of Heinz Doofenshmirtz from the 2nd Dimension which is piloted by 1st Dimension Doofenshmirtz as the final battle of the video game. Initally, Phineas and Perry battle him, but after a while are soon captured by his spheres of energy. Ferb and Terry then battle him, but suffer the same fate before Phines-2 and Ferb-2 arrive and give some help.