User blog comment:FerbIsMyLuver!/OMG! PHINBELLA WHAT!!!!!?????/@comment-5522550-20110725013954/@comment-5151799-20110726155053

Actually, maybe right after Phineas was born, his father dropped Phineas on his head repeatedly, turning his regularly shaped head into a triangle, and giving him an unusually smart brain. Linda later divorced with this man because he deformed their son and was too clumsy. :P