There really isn't anyway togaugewho is the most popular, but it could be Roger.
'Jessica' is not a character on American Dad
'Jewel' is not a character on American Dad
Stan smith
Yes. Hayley Smith & the occasional side character.
Eugene Levy played Jim's dad in American Pie. His character did not have a name. He was only known as Jim's dad.
Spiderman can be considered, along with the Hulk as the face of Marvel comics similar to how Superman and Batman are the faces of DC. True there might be many other popular characters, but Spiderman is known world wide and is Marvel's most widely known and popular character (I am not saying the best, or the most popular in the US. he is the most widely known Marvel character)
There really isn't one.
There really isn't one... and who is "this guy"
The dad of the kid with the camera shoots him in the back of the head.
Roy Rogers McFreely
TV14, most of the time for DLSV ( Dialogue, language, suggestive themes, and violance)
The character Lizzy voiced a random character in Chick Cancer but she's mostly voiced Debbie on American Dad and Patricia Donner on an episode of The Cleveland Show