Norm is a robot made by Doctor Doofenshmirtz.

  • Feeps Theory:

"The episode with the Art Studio took place before summer began. Doctor Doof was starting to build Norm. He needed a brain to make it complete. Somehow he got a hold of Djangos brain. But during a fight with Agent P, Dr D damaged the brain, causing Django to lose memory of everything that had happened. But it explains why Norm is self-aware and is desperate to have a father figure. When Django went missing his father was devastated and became a nervous wreck. Phineas and Ferb decided to make a Django clone because they felt bad for his father"