Roger (Seth MacFarlane) has been an integral part ofAmerican Dad!since the series began.

Roger brings a unique perspective to the Smiths' suburban American lifestyle.

He often interrupts their otherwise orderly existence with hilarious results.

Roger, voiced by Seth MacFarlane, in the series ‘American Dad!'

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Stan has to protect Roger from himself as Roger puts himself in increasing danger.

This episode is critical to understanding how Roger sees himself in relation to Stan in particular.

“Great Space Roaster” featuresRoger’s request to be the subject of a roast for his birthday.

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The Smiths end up fleeing to space when Roger targets them in revenge.

“Great Space Roaster” is an important episode for Roger because it highlights his emotional fragility.

The episode chronicles Roger’s immediate decent into corruption as a cop before being rescued by Stan.

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This episode is an important one for Roger because it highlights his true nature.

Sidney Huffman is Roger’s polar opposite in every way.

Sidney shows himself to be a deeply sympathetic character and a distillation of Roger’s best qualities.

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This episode gives him a chance to reckon with this fact.

He is able to see the future, and the Smiths take full advantage of this.

“Vision: Impossible” follows Roger as he is gifted with supernatural abilities following an accident.

Characters of American Dad pose in blue outfits in OreTron Trail Season 13, Episode 11.

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As a spoof of theJames Bondfranchise, the story recasts the Smith family as various Bond characters.

“Tearjerker” is a fun episode for Roger and highlights his exceptional ability to be a villain.

Ricky Spanish is the worst persona Roger ever created because he is such a menace to society.

Roger in American Dad sits at a desk with the name plate “P. Peters” looking stressed in “Office Spaceman”.

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Ricky Spanish is the worst persona Roger ever created because he is such a menace to society.

Ricky Spanish is Roger’s darkest persona, and he uses this to his advantage.

This remains one of Roger’s most well-known and beloved personas and is instantly recognizable.

Roger in American Dad as a female switchboard operator in Season 18, Episode 1 “Fellow Travelers”.

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The Smith family listening to Roger the alien in American Dad.

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Stan and Roger outside at an event in American Dad Season 6, Episode 14 “Cops and Roger”.

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Two versions of Roger reflect in a mirror in American Dad Season 5, Episode 2 “The One That Got Away”.

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Roger and Steve in a living room with a stack of jars in American Dad Season 10 Episode 9 “Vision: Impossible”

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Roger in black and white looking sad in American Dad Season 4, Episode 10 “Tearjerker”.

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Roger as Ricky Spanish looking confident with a Mowhawk hairstyle as others stare in American Dad.

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Roger and his personas in American Dad.

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