Roger Smith is a fictional character in the adult animated sitcom American Dad!, created, voiced, and designed by Seth MacFarlane.

Roger's personas have become a major plot device, with his myriad of alter egos frequently being the subject or facilitator of an episode's main story or subplot.

Aside from catalyzing the plot or subplot with his various personas, and despite his increasingly evident self-interest, he often serves to counsel the show's main characters, by humorously affirming or bluntly disregarding their opinions.

[5] In April 2014, Roger was voted "Gayest Cartoon Character of All Time" in a first-ever March Madness style competition held by Logo TV.

Roger typically displays a lighthearted, carefree temperament while at the same time engaging in his freakish grossness, outrageous malice, and rascally shenanigans.

[1][3][7] Crude and brazen, Roger has no qualms with randomly saying and doing whatever is on his mind, having little to no sympathy for anyone who might suffer as a result of his actions, and regularly misleading and finagling others to achieve his desired ends.

According to "Frannie 911", Roger has been on Earth for over 60 years, having arrived in 1947 as a result of being tricked,[8] led to believe he was "The Decider" in whose hands the fate of mankind rested, when in fact he was serving the role of a crash test dummy.

Roger revealed in the episode "OreTron Trail", that he once visited Earth before in the 1800s after crash landing with his aunt Caroline and she died on impact.

Despite his numerous disguises consisting of only a different set of garments and hair with no effort to disguise his gray skin, non-human face and body features (with some exceptions, like additional bodyweight, facial hair, or wrinkles), Roger has been capable of deceiving virtually every single person he interacts with without ever being discovered as an alien; not even by Stan's colleagues from CIA, who according to him, have "an entire floor" looking for Roger.

On top of that, Roger has been sent to the hospital several times over the course of the series, and medical personnel, for some reason, have never found out that he's not a human; although they have questioned his strange anatomy.

Klaus does things to get Roger into trouble for his amusement, like when he tricked him into eating Francine's potato salad in "Deacon Stan, Jesus Man".

Among everyone else living in the Smith household, Klaus is very much the most aware and sensible of Roger's contemptuous, abusive, and insanely-vindictive nature of selfishness and lack of morality and occasionally tries to warn the rest of the family against listening to or getting involved with him.

Such instances, however, are ignored by everyone's naivety and general inability (or lack of interest) to take most matters seriously or remember that Klaus is a "man in a fish's body" rather than just a mere talking goldfish, as said in "Dr. Klaustus".

Further evidence of this can be seen in "Pulling Double Booty", as Roger and Klaus are quite content to watch a movie together and show annoyance when they must pause it as Stan intrudes with the cookie dough.

[10] No further information about the movie was released following Barker's exit from the series in November 2013,[11] and in August 2022, it was confirmed by Matt Weitzman that the project had been canceled.

[12] In April 2014, Roger was voted "Gayest Cartoon Character of All Time" in a first-ever March Madness style competition held by Logo TV.