the hosts conjectured that the character of Nemo never actually existed. In a “Beautiful Mind”-like twist of fate, Marlin — Nemo’s father, voiced by Albert Brooks — has just been imagining his son as a way to cope with the loss of his wife, Nemo’s mother, and their kids.It may sound ridiculous at first, but there could be some truth to this theory — at least according to the podcasters.“The word ‘nemo’ in Latin means ‘no one,’ ” they explained.