10 Craziest Fan Theories About American Dad
2. Roger Is The Smith's First Born
Yes, you read the title right. A popular theory spawned from Reddit user u/youtbuddcody that Roger is actually not an alien, but the Smith's first born child.
The theory claims that Roger was abducted by aliens and experimented upon as a child. This resulted in Roger suffering from depression and turning to alcohol as he alienates himself from his family, considering himself 'an alien' due to his inability to function in society.
The theory goes on to explain Roger has schizophrenia, as he begins to hear voices and creates personas to express the voices. It also deals with the idea that Klaus cannot actually talk and Roger uses his most feared voice (one of the scientists who operated on him) as the fish's voice to make him feel more in control, hence why the family can communicate with Klaus.
It is a fascinating theory that explains a multitude of Roger's characterisation including the creation of Dr Penguin and more. While the theory is unlikely to be true, it provides an incredibly detailed story that has an explanation for every facet of Roger's character.